diff --git a/test/parser_symbol_table.cpp b/test/parser_symbol_table.cpp
index 448d7282..559c4bdb 100644
--- a/test/parser_symbol_table.cpp
+++ b/test/parser_symbol_table.cpp
@@ -316,7 +316,7 @@ int main()
             add_parser >> roman_numerals >> next_delete_parser >>
             roman_numerals);
         BOOST_TEST(result);
-        BOOST_TEST(*result == std::tuple(100, 100));
+        BOOST_TEST(*result == tuple(100, 100));
     }
 
     {