diff --git a/include/internal/catch_compiler_capabilities.h b/include/internal/catch_compiler_capabilities.h
index 0eb266c4..3d283100 100644
--- a/include/internal/catch_compiler_capabilities.h
+++ b/include/internal/catch_compiler_capabilities.h
@@ -8,6 +8,8 @@
 #ifndef TWOBLUECUBES_CATCH_COMPILER_CAPABILITIES_HPP_INCLUDED
 #define TWOBLUECUBES_CATCH_COMPILER_CAPABILITIES_HPP_INCLUDED
 
+#include "catch_platform.h"
+
 // Detect a number of compiler features - by compiler
 // The following features are defined:
 //
@@ -76,6 +78,14 @@
 #       define CATCH_CONFIG_COLOUR_NONE
 #endif
 
+
+
+////////////////////////////////////////////////////////////////////////////////
+// We know some environments not to support full POSIX signals
+#if defined(__MINGW32__)
+#    define CATCH_INTERNAL_CONFIG_NO_WINDOWS_SEH
+#endif
+
 ////////////////////////////////////////////////////////////////////////////////
 // Cygwin
 #ifdef __CYGWIN__
@@ -126,7 +136,7 @@
 #if defined(CATCH_INTERNAL_CONFIG_COUNTER) && !defined(CATCH_CONFIG_NO_COUNTER) && !defined(CATCH_CONFIG_COUNTER)
 #   define CATCH_CONFIG_COUNTER
 #endif
-#if defined(CATCH_INTERNAL_CONFIG_WINDOWS_SEH) && !defined(CATCH_CONFIG_NO_WINDOWS_SEH) && !defined(CATCH_CONFIG_WINDOWS_SEH)
+#if defined(CATCH_INTERNAL_CONFIG_WINDOWS_SEH) && !defined(CATCH_CONFIG_NO_WINDOWS_SEH) && !defined(CATCH_CONFIG_WINDOWS_SEH) && !defined(CATCH_INTERNAL_CONFIG_NO_WINDOWS_SEH)
 #   define CATCH_CONFIG_WINDOWS_SEH
 #endif
 // This is set by default, because we assume that unix compilers are posix-signal-compatible by default.
diff --git a/include/internal/catch_platform.h b/include/internal/catch_platform.h
index cbf17923..e14cd332 100644
--- a/include/internal/catch_platform.h
+++ b/include/internal/catch_platform.h
@@ -20,7 +20,7 @@
 #elif defined(linux) || defined(__linux) || defined(__linux__)
 #  define CATCH_PLATFORM_LINUX
 
-#elif defined(WIN32) || defined(__WIN32__) || defined(_WIN32) || defined(_MSC_VER)
+#elif defined(WIN32) || defined(__WIN32__) || defined(_WIN32) || defined(_MSC_VER) || defined(__MINGW32__)
 #  define CATCH_PLATFORM_WINDOWS
 #endif