diff --git a/include/boost/stacktrace/detail/frame_unwind.ipp b/include/boost/stacktrace/detail/frame_unwind.ipp
index 8cb8e2a..37b7a7e 100644
--- a/include/boost/stacktrace/detail/frame_unwind.ipp
+++ b/include/boost/stacktrace/detail/frame_unwind.ipp
@@ -130,7 +130,7 @@ std::string to_string(const frame* frames, std::size_t size) {
 
 
 std::string frame::name() const {
-#ifndef BOOST_WINDOWS
+#if !defined(BOOST_WINDOWS) && !defined(__CYGWIN__)
     ::Dl_info dli;
     const bool dl_ok = !!::dladdr(addr_, &dli);
     if (dl_ok && dli.dli_sname) {
diff --git a/include/boost/stacktrace/detail/location_from_symbol.hpp b/include/boost/stacktrace/detail/location_from_symbol.hpp
index 7faf26a..d20b0d6 100644
--- a/include/boost/stacktrace/detail/location_from_symbol.hpp
+++ b/include/boost/stacktrace/detail/location_from_symbol.hpp
@@ -12,7 +12,7 @@
 #   pragma once
 #endif
 
-#ifndef BOOST_WINDOWS
+#if !defined(BOOST_WINDOWS) && !defined(__CYGWIN__)
 #   include <dlfcn.h>
 #else
 #   include <boost/detail/winapi/dll.hpp>
@@ -21,7 +21,7 @@
 namespace boost { namespace stacktrace { namespace detail {
 
 class location_from_symbol {
-#ifndef BOOST_WINDOWS
+#if !defined(BOOST_WINDOWS) && !defined(__CYGWIN__)
     ::Dl_info dli_;
 
 public: