diff --git a/example/metadata.cpp b/example/metadata.cpp
index 62563c4a..66c0ee12 100644
--- a/example/metadata.cpp
+++ b/example/metadata.cpp
@@ -7,7 +7,7 @@
 
 //[example_metadata
 
-#include "boost/mysql/connection.hpp"
+#include <boost/mysql/connection.hpp>
 #include <boost/asio/ssl/context.hpp>
 #include <boost/mysql.hpp>
 #include <boost/asio/io_context.hpp>
diff --git a/example/query_async_callbacks.cpp b/example/query_async_callbacks.cpp
index 3d59c004..fa5a7c68 100644
--- a/example/query_async_callbacks.cpp
+++ b/example/query_async_callbacks.cpp
@@ -7,8 +7,8 @@
 
 //[example_query_async_callbacks
 
-#include "boost/mysql/connection.hpp"
-#include "boost/mysql/error.hpp"
+#include <boost/mysql/connection.hpp>
+#include <boost/mysql/error.hpp>
 #include <boost/asio/ssl/context.hpp>
 #include <boost/mysql.hpp>
 #include <boost/asio/io_context.hpp>
diff --git a/example/tutorial.cpp b/example/tutorial.cpp
index 97db9b14..7e4b67e9 100644
--- a/example/tutorial.cpp
+++ b/example/tutorial.cpp
@@ -5,7 +5,7 @@
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 //
 
-#include "boost/mysql/connection.hpp"
+#include <boost/mysql/connection.hpp>
 #include <boost/asio/ip/tcp.hpp>
 #include <boost/asio/ssl/context.hpp>
 #include <boost/mysql.hpp>
diff --git a/test/integration/close_connection.cpp b/test/integration/close_connection.cpp
index 7a96fa26..b4ed3f2b 100644
--- a/test/integration/close_connection.cpp
+++ b/test/integration/close_connection.cpp
@@ -5,7 +5,7 @@
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 //
 
-#include "boost/mysql/detail/protocol/constants.hpp"
+#include <boost/mysql/detail/protocol/constants.hpp>
 #include "integration_test_common.hpp"
 #include "network_test.hpp"
 
diff --git a/test/integration/database_types.cpp b/test/integration/database_types.cpp
index 8a9be654..99a090a3 100644
--- a/test/integration/database_types.cpp
+++ b/test/integration/database_types.cpp
@@ -5,7 +5,7 @@
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 //
 
-#include "boost/mysql/tcp.hpp"
+#include <boost/mysql/tcp.hpp>
 #include "tcp_network_fixture.hpp"
 #include "metadata_validator.hpp"
 #include "test_common.hpp"
diff --git a/test/integration/handshake.cpp b/test/integration/handshake.cpp
index 260b8ace..662bd9d9 100644
--- a/test/integration/handshake.cpp
+++ b/test/integration/handshake.cpp
@@ -9,7 +9,7 @@
 #include <boost/asio/ssl/verify_mode.hpp>
 #include <boost/mysql/handshake_params.hpp>
 #include <boost/mysql/tcp_ssl.hpp>
-#include "boost/mysql/errc.hpp"
+#include <boost/mysql/errc.hpp>
 #include "er_network_variant.hpp"
 #include "get_endpoint.hpp"
 #include "integration_test_common.hpp"
diff --git a/test/integration/reconnect.cpp b/test/integration/reconnect.cpp
index 553e6b6e..13c8cbbf 100644
--- a/test/integration/reconnect.cpp
+++ b/test/integration/reconnect.cpp
@@ -9,8 +9,8 @@
 #include <boost/mysql/connection.hpp>
 #include <boost/test/tools/interface.hpp>
 #include <boost/test/unit_test_suite.hpp>
-#include "boost/mysql/handshake_params.hpp"
-#include "boost/mysql/errc.hpp"
+#include <boost/mysql/handshake_params.hpp>
+#include <boost/mysql/errc.hpp>
 #include "integration_test_common.hpp"
 
 using namespace boost::mysql::test;
diff --git a/test/integration/utils/include/er_connection.hpp b/test/integration/utils/include/er_connection.hpp
index 8fd710d2..d6424381 100644
--- a/test/integration/utils/include/er_connection.hpp
+++ b/test/integration/utils/include/er_connection.hpp
@@ -8,7 +8,7 @@
 #ifndef BOOST_MYSQL_TEST_INTEGRATION_UTILS_INCLUDE_ER_CONNECTION_HPP
 #define BOOST_MYSQL_TEST_INTEGRATION_UTILS_INCLUDE_ER_CONNECTION_HPP
 
-#include "boost/mysql/error.hpp"
+#include <boost/mysql/error.hpp>
 #include "network_result.hpp"
 #include "er_endpoint.hpp"
 #include "er_resultset.hpp"
diff --git a/test/integration/utils/include/integration_test_common.hpp b/test/integration/utils/include/integration_test_common.hpp
index a7ea1750..9865b8c7 100644
--- a/test/integration/utils/include/integration_test_common.hpp
+++ b/test/integration/utils/include/integration_test_common.hpp
@@ -12,7 +12,7 @@
 #include <boost/asio/io_context.hpp>
 #include <boost/test/unit_test.hpp>
 #include <thread>
-#include "boost/mysql/handshake_params.hpp"
+#include <boost/mysql/handshake_params.hpp>
 #include "test_common.hpp"
 #include "metadata_validator.hpp"
 #include "network_test.hpp"
diff --git a/test/integration/utils/src/async_callback.cpp b/test/integration/utils/src/async_callback.cpp
index 3ff7e8ae..e25337ca 100644
--- a/test/integration/utils/src/async_callback.cpp
+++ b/test/integration/utils/src/async_callback.cpp
@@ -14,12 +14,12 @@
 #include "er_impl_common.hpp"
 #include "get_endpoint.hpp"
 #include "handler_call_tracker.hpp"
-#include "boost/mysql/handshake_params.hpp"
-#include "boost/mysql/errc.hpp"
-#include "boost/mysql/error.hpp"
-#include "boost/mysql/execute_params.hpp"
-#include "boost/mysql/statement_base.hpp"
-#include "boost/mysql/row.hpp"
+#include <boost/mysql/handshake_params.hpp>
+#include <boost/mysql/errc.hpp>
+#include <boost/mysql/error.hpp>
+#include <boost/mysql/execute_params.hpp>
+#include <boost/mysql/statement_base.hpp>
+#include <boost/mysql/row.hpp>
 #include <boost/mysql/resultset_base.hpp>
 #include <boost/mysql/connection.hpp>
 #include <memory>
diff --git a/test/integration/utils/src/async_callback_noerrinfo.cpp b/test/integration/utils/src/async_callback_noerrinfo.cpp
index 137a9794..95754eb0 100644
--- a/test/integration/utils/src/async_callback_noerrinfo.cpp
+++ b/test/integration/utils/src/async_callback_noerrinfo.cpp
@@ -14,12 +14,12 @@
 #include "er_impl_common.hpp"
 #include "get_endpoint.hpp"
 #include "handler_call_tracker.hpp"
-#include "boost/mysql/handshake_params.hpp"
-#include "boost/mysql/errc.hpp"
-#include "boost/mysql/error.hpp"
-#include "boost/mysql/execute_params.hpp"
-#include "boost/mysql/statement_base.hpp"
-#include "boost/mysql/row.hpp"
+#include <boost/mysql/handshake_params.hpp>
+#include <boost/mysql/errc.hpp>
+#include <boost/mysql/error.hpp>
+#include <boost/mysql/execute_params.hpp>
+#include <boost/mysql/statement_base.hpp>
+#include <boost/mysql/row.hpp>
 #include <boost/mysql/resultset_base.hpp>
 #include <boost/mysql/connection.hpp>
 #include <memory>
diff --git a/test/integration/utils/src/async_coroutine.cpp b/test/integration/utils/src/async_coroutine.cpp
index 107c58ff..8cdae2d1 100644
--- a/test/integration/utils/src/async_coroutine.cpp
+++ b/test/integration/utils/src/async_coroutine.cpp
@@ -14,12 +14,12 @@
 #include "er_impl_common.hpp"
 #include "get_endpoint.hpp"
 #include "handler_call_tracker.hpp"
-#include "boost/mysql/handshake_params.hpp"
-#include "boost/mysql/errc.hpp"
-#include "boost/mysql/error.hpp"
-#include "boost/mysql/execute_params.hpp"
-#include "boost/mysql/statement_base.hpp"
-#include "boost/mysql/row.hpp"
+#include <boost/mysql/handshake_params.hpp>
+#include <boost/mysql/errc.hpp>
+#include <boost/mysql/error.hpp>
+#include <boost/mysql/execute_params.hpp>
+#include <boost/mysql/statement_base.hpp>
+#include <boost/mysql/row.hpp>
 #include <boost/mysql/resultset_base.hpp>
 #include <boost/mysql/connection.hpp>
 #include <boost/asio/spawn.hpp>
diff --git a/test/integration/utils/src/async_coroutinecpp20.cpp b/test/integration/utils/src/async_coroutinecpp20.cpp
index cc75a5db..3ed7beec 100644
--- a/test/integration/utils/src/async_coroutinecpp20.cpp
+++ b/test/integration/utils/src/async_coroutinecpp20.cpp
@@ -15,12 +15,12 @@
 #include "er_impl_common.hpp"
 #include "get_endpoint.hpp"
 #include "handler_call_tracker.hpp"
-#include "boost/mysql/handshake_params.hpp"
-#include "boost/mysql/errc.hpp"
-#include "boost/mysql/error.hpp"
-#include "boost/mysql/execute_params.hpp"
-#include "boost/mysql/statement_base.hpp"
-#include "boost/mysql/row.hpp"
+#include <boost/mysql/handshake_params.hpp>
+#include <boost/mysql/errc.hpp>
+#include <boost/mysql/error.hpp>
+#include <boost/mysql/execute_params.hpp>
+#include <boost/mysql/statement_base.hpp>
+#include <boost/mysql/row.hpp>
 #include <boost/mysql/resultset_base.hpp>
 #include <boost/mysql/connection.hpp>
 #include <boost/asio/co_spawn.hpp>
diff --git a/test/integration/utils/src/async_future.cpp b/test/integration/utils/src/async_future.cpp
index 568bcb04..de3330b1 100644
--- a/test/integration/utils/src/async_future.cpp
+++ b/test/integration/utils/src/async_future.cpp
@@ -14,12 +14,12 @@
 #include "er_impl_common.hpp"
 #include "get_endpoint.hpp"
 #include "handler_call_tracker.hpp"
-#include "boost/mysql/handshake_params.hpp"
-#include "boost/mysql/errc.hpp"
-#include "boost/mysql/error.hpp"
-#include "boost/mysql/execute_params.hpp"
-#include "boost/mysql/statement_base.hpp"
-#include "boost/mysql/row.hpp"
+#include <boost/mysql/handshake_params.hpp>
+#include <boost/mysql/errc.hpp>
+#include <boost/mysql/error.hpp>
+#include <boost/mysql/execute_params.hpp>
+#include <boost/mysql/statement_base.hpp>
+#include <boost/mysql/row.hpp>
 #include <boost/mysql/resultset_base.hpp>
 #include <boost/mysql/connection.hpp>
 #include <memory>
diff --git a/test/integration/utils/src/default_completion_tokens.cpp b/test/integration/utils/src/default_completion_tokens.cpp
index a94323b0..0fe1ae48 100644
--- a/test/integration/utils/src/default_completion_tokens.cpp
+++ b/test/integration/utils/src/default_completion_tokens.cpp
@@ -14,12 +14,12 @@
 #include "er_impl_common.hpp"
 #include "get_endpoint.hpp"
 #include "handler_call_tracker.hpp"
-#include "boost/mysql/handshake_params.hpp"
-#include "boost/mysql/errc.hpp"
-#include "boost/mysql/error.hpp"
-#include "boost/mysql/execute_params.hpp"
-#include "boost/mysql/statement_base.hpp"
-#include "boost/mysql/row.hpp"
+#include <boost/mysql/handshake_params.hpp>
+#include <boost/mysql/errc.hpp>
+#include <boost/mysql/error.hpp>
+#include <boost/mysql/execute_params.hpp>
+#include <boost/mysql/statement_base.hpp>
+#include <boost/mysql/row.hpp>
 #include <boost/mysql/resultset_base.hpp>
 #include <boost/mysql/connection.hpp>
 #include <memory>
diff --git a/test/integration/utils/src/er_impl_common.hpp b/test/integration/utils/src/er_impl_common.hpp
index 4c865bad..dad0b73d 100644
--- a/test/integration/utils/src/er_impl_common.hpp
+++ b/test/integration/utils/src/er_impl_common.hpp
@@ -8,8 +8,8 @@
 #ifndef BOOST_MYSQL_TEST_INTEGRATION_UTILS_SRC_ER_IMPL_COMMON_HPP
 #define BOOST_MYSQL_TEST_INTEGRATION_UTILS_SRC_ER_IMPL_COMMON_HPP
 
-#include "boost/mysql/error.hpp"
-#include "boost/mysql/statement_base.hpp"
+#include <boost/mysql/error.hpp>
+#include <boost/mysql/statement_base.hpp>
 #include "er_connection.hpp"
 #include "er_network_variant.hpp"
 #include "er_resultset.hpp"
diff --git a/test/integration/utils/src/sync_errc.cpp b/test/integration/utils/src/sync_errc.cpp
index 90a60eef..c184376d 100644
--- a/test/integration/utils/src/sync_errc.cpp
+++ b/test/integration/utils/src/sync_errc.cpp
@@ -13,12 +13,12 @@
 #include "streams.hpp"
 #include "er_impl_common.hpp"
 #include "get_endpoint.hpp"
-#include "boost/mysql/handshake_params.hpp"
-#include "boost/mysql/errc.hpp"
-#include "boost/mysql/error.hpp"
-#include "boost/mysql/execute_params.hpp"
-#include "boost/mysql/statement_base.hpp"
-#include "boost/mysql/row.hpp"
+#include <boost/mysql/handshake_params.hpp>
+#include <boost/mysql/errc.hpp>
+#include <boost/mysql/error.hpp>
+#include <boost/mysql/execute_params.hpp>
+#include <boost/mysql/statement_base.hpp>
+#include <boost/mysql/row.hpp>
 #include <boost/mysql/resultset_base.hpp>
 #include <boost/mysql/connection.hpp>
 #include <memory>
diff --git a/test/integration/utils/src/sync_exc.cpp b/test/integration/utils/src/sync_exc.cpp
index 535773ae..85bd43d9 100644
--- a/test/integration/utils/src/sync_exc.cpp
+++ b/test/integration/utils/src/sync_exc.cpp
@@ -13,12 +13,12 @@
 #include "streams.hpp"
 #include "er_impl_common.hpp"
 #include "get_endpoint.hpp"
-#include "boost/mysql/handshake_params.hpp"
-#include "boost/mysql/errc.hpp"
-#include "boost/mysql/error.hpp"
-#include "boost/mysql/execute_params.hpp"
-#include "boost/mysql/statement_base.hpp"
-#include "boost/mysql/row.hpp"
+#include <boost/mysql/handshake_params.hpp>
+#include <boost/mysql/errc.hpp>
+#include <boost/mysql/error.hpp>
+#include <boost/mysql/execute_params.hpp>
+#include <boost/mysql/statement_base.hpp>
+#include <boost/mysql/row.hpp>
 #include <boost/mysql/resultset_base.hpp>
 #include <boost/mysql/connection.hpp>
 #include <memory>
diff --git a/test/unit/detail/channel/message_reader.cpp b/test/unit/detail/channel/message_reader.cpp
index c4a92720..fef47c28 100644
--- a/test/unit/detail/channel/message_reader.cpp
+++ b/test/unit/detail/channel/message_reader.cpp
@@ -12,8 +12,8 @@
 #include <boost/test/unit_test.hpp>
 #include <boost/test/unit_test_suite.hpp>
 #include <boost/mysql/detail/channel/message_reader.hpp>
-#include "boost/mysql/errc.hpp"
-#include "boost/mysql/error.hpp"
+#include <boost/mysql/errc.hpp>
+#include <boost/mysql/error.hpp>
 #include "assert_buffer_equals.hpp"
 #include "test_stream.hpp"
 #include "create_message.hpp"
diff --git a/test/unit/detail/network_algorithms/read_all_rows.cpp b/test/unit/detail/network_algorithms/read_all_rows.cpp
index 691e57ac..1d3e53e2 100644
--- a/test/unit/detail/network_algorithms/read_all_rows.cpp
+++ b/test/unit/detail/network_algorithms/read_all_rows.cpp
@@ -6,10 +6,10 @@
 //
 
 #include <boost/mysql/detail/network_algorithms/read_all_rows.hpp>
-#include "boost/mysql/detail/protocol/resultset_encoding.hpp"
-#include "boost/mysql/error.hpp"
-#include "boost/mysql/resultset_base.hpp"
-#include "boost/mysql/row_view.hpp"
+#include <boost/mysql/detail/protocol/resultset_encoding.hpp>
+#include <boost/mysql/error.hpp>
+#include <boost/mysql/resultset_base.hpp>
+#include <boost/mysql/row_view.hpp>
 #include <boost/asio/buffer.hpp>
 #include <boost/asio/bind_executor.hpp>
 #include <boost/asio/io_context.hpp>
diff --git a/test/unit/detail/network_algorithms/read_one_row.cpp b/test/unit/detail/network_algorithms/read_one_row.cpp
index 4c138e01..1f8d5222 100644
--- a/test/unit/detail/network_algorithms/read_one_row.cpp
+++ b/test/unit/detail/network_algorithms/read_one_row.cpp
@@ -6,10 +6,10 @@
 //
 
 #include <boost/mysql/detail/network_algorithms/read_one_row.hpp>
-#include "boost/mysql/detail/protocol/resultset_encoding.hpp"
-#include "boost/mysql/error.hpp"
-#include "boost/mysql/resultset_base.hpp"
-#include "boost/mysql/row_view.hpp"
+#include <boost/mysql/detail/protocol/resultset_encoding.hpp>
+#include <boost/mysql/error.hpp>
+#include <boost/mysql/resultset_base.hpp>
+#include <boost/mysql/row_view.hpp>
 #include <boost/asio/buffer.hpp>
 #include <boost/asio/bind_executor.hpp>
 #include <boost/asio/io_context.hpp>
diff --git a/test/unit/detail/network_algorithms/read_some_rows.cpp b/test/unit/detail/network_algorithms/read_some_rows.cpp
index 428afa02..99fb663a 100644
--- a/test/unit/detail/network_algorithms/read_some_rows.cpp
+++ b/test/unit/detail/network_algorithms/read_some_rows.cpp
@@ -6,10 +6,10 @@
 //
 
 #include <boost/mysql/detail/network_algorithms/read_some_rows.hpp>
-#include "boost/mysql/detail/protocol/resultset_encoding.hpp"
-#include "boost/mysql/error.hpp"
-#include "boost/mysql/resultset_base.hpp"
-#include "boost/mysql/row_view.hpp"
+#include <boost/mysql/detail/protocol/resultset_encoding.hpp>
+#include <boost/mysql/error.hpp>
+#include <boost/mysql/resultset_base.hpp>
+#include <boost/mysql/row_view.hpp>
 #include <boost/asio/buffer.hpp>
 #include <boost/asio/bind_executor.hpp>
 #include <boost/asio/io_context.hpp>
diff --git a/test/unit/detail/protocol/deserialize_row.cpp b/test/unit/detail/protocol/deserialize_row.cpp
index 66fa6a35..de2738e5 100644
--- a/test/unit/detail/protocol/deserialize_row.cpp
+++ b/test/unit/detail/protocol/deserialize_row.cpp
@@ -8,15 +8,15 @@
 // Tests for both deserialize_binary_row() and deserialize_text_row()
 
 #include <boost/mysql/detail/protocol/deserialize_row.hpp>
-#include "boost/mysql/detail/auxiliar/string_view_offset.hpp"
-#include "boost/mysql/detail/protocol/capabilities.hpp"
-#include "boost/mysql/detail/protocol/common_messages.hpp"
-#include "boost/mysql/detail/protocol/constants.hpp"
-#include "boost/mysql/detail/protocol/resultset_encoding.hpp"
-#include "boost/mysql/error.hpp"
-#include "boost/mysql/field_view.hpp"
-#include "boost/mysql/metadata.hpp"
-#include "boost/mysql/resultset_base.hpp"
+#include <boost/mysql/detail/auxiliar/string_view_offset.hpp>
+#include <boost/mysql/detail/protocol/capabilities.hpp>
+#include <boost/mysql/detail/protocol/common_messages.hpp>
+#include <boost/mysql/detail/protocol/constants.hpp>
+#include <boost/mysql/detail/protocol/resultset_encoding.hpp>
+#include <boost/mysql/error.hpp>
+#include <boost/mysql/field_view.hpp>
+#include <boost/mysql/metadata.hpp>
+#include <boost/mysql/resultset_base.hpp>
 #include <boost/test/tools/context.hpp>
 #include <boost/test/unit_test.hpp>
 #include <boost/asio/buffer.hpp>
diff --git a/test/unit/detail/protocol/deserialize_text_field.cpp b/test/unit/detail/protocol/deserialize_text_field.cpp
index a412045f..bd65680f 100644
--- a/test/unit/detail/protocol/deserialize_text_field.cpp
+++ b/test/unit/detail/protocol/deserialize_text_field.cpp
@@ -9,8 +9,8 @@
 
 #include <boost/mysql/detail/protocol/deserialize_text_field.hpp>
 #include <boost/mysql/detail/auxiliar/stringize.hpp>
-#include "boost/mysql/detail/auxiliar/string_view_offset.hpp"
-#include "boost/mysql/field_view.hpp"
+#include <boost/mysql/detail/auxiliar/string_view_offset.hpp>
+#include <boost/mysql/field_view.hpp>
 #include "test_common.hpp"
 #include <boost/test/data/monomorphic/collection.hpp>
 #include <boost/test/data/test_case.hpp>
diff --git a/test/unit/resultset.cpp b/test/unit/resultset.cpp
index 83830b9b..edd71529 100644
--- a/test/unit/resultset.cpp
+++ b/test/unit/resultset.cpp
@@ -7,10 +7,10 @@
 
 #include <boost/mysql/resultset.hpp>
 #include <boost/test/unit_test.hpp>
-#include "boost/mysql/detail/protocol/common_messages.hpp"
-#include "boost/mysql/detail/protocol/constants.hpp"
-#include "boost/mysql/detail/protocol/resultset_encoding.hpp"
-#include "boost/mysql/field_type.hpp"
+#include <boost/mysql/detail/protocol/common_messages.hpp>
+#include <boost/mysql/detail/protocol/constants.hpp>
+#include <boost/mysql/detail/protocol/resultset_encoding.hpp>
+#include <boost/mysql/field_type.hpp>
 #include "create_resultset.hpp"
 #include "test_channel.hpp"
 #include "test_stream.hpp"
diff --git a/tools/scripts/file_headers.py b/tools/scripts/file_headers.py
index 13136c1c..bd6be350 100755
--- a/tools/scripts/file_headers.py
+++ b/tools/scripts/file_headers.py
@@ -10,6 +10,7 @@ import os
 import re
 from os import path
 from collections import namedtuple
+from typing import List
 
 # Script to get file headers (copyright notices
 # and include guards) okay and up to date
@@ -39,6 +40,7 @@ HEADER_TEMPLATE = '''{begin}
 {end}'''
 
 MYSQL_ERROR_HEADER = '/usr/include/mysql/mysqld_error.h'
+MYSQL_INCLUDE = re.compile('#include <boost/mysql/(.*)>')
 
 def find_first_blank(lines):
     return [i for i, line in enumerate(lines) if line == ''][0]
@@ -54,6 +56,9 @@ def write_file(fpath, lines):
 def text_to_lines(text):
     return [line + '\n' for line in text.split('\n')]
 
+def normalize_includes(lines: List[str]):
+    return [re.sub(MYSQL_INCLUDE, '#include <boost/mysql/\\1>', line) for line in lines]
+
 def gen_header(linesym, opensym=None, closesym=None, shebang=None, include_guard=None):
     opensym = linesym if opensym is None else opensym
     closesym = linesym if closesym is None else closesym
@@ -75,7 +80,7 @@ class NormalProcessor(object):
     def process(self, fpath):
         lines = read_file(fpath)
         first_blank = find_first_blank(line.replace('\n', '') for line in lines)
-        lines = self.header + lines[first_blank:]
+        lines = self.header + normalize_includes(lines[first_blank:])
         write_file(fpath, lines)
         
 class HppProcessor(object):
@@ -86,7 +91,7 @@ class HppProcessor(object):
         first_content = [i for i, line in enumerate(lines) if line.startswith('#define')][0] + 1
         iguard = self._gen_include_guard(fpath)
         header = gen_header('//', include_guard=iguard)
-        lines = header + lines[first_content:]
+        lines = header + normalize_includes(lines[first_content:])
         write_file(fpath, lines)