diff --git a/Util/include/Poco/Util/Application.h b/Util/include/Poco/Util/Application.h
index a1c79f46f..17a6812d0 100644
--- a/Util/include/Poco/Util/Application.h
+++ b/Util/include/Poco/Util/Application.h
@@ -445,7 +445,7 @@ inline Poco::Timespan Application::uptime() const
 //
 // Macro to implement main()
 //
-#if defined(_WIN32) && defined(POCO_WIN32_UTF8) && !defined(POCO_NO_WSTRING)
+#if defined(_WIN32) && defined(POCO_WIN32_UTF8) && !defined(POCO_NO_WSTRING) && !defined(MINGW32)
 	#define POCO_APP_MAIN(App) \
 	int wmain(int argc, wchar_t** argv)		\
 	{										\
diff --git a/Util/include/Poco/Util/ServerApplication.h b/Util/include/Poco/Util/ServerApplication.h
index 5e260d404..63250d18d 100644
--- a/Util/include/Poco/Util/ServerApplication.h
+++ b/Util/include/Poco/Util/ServerApplication.h
@@ -207,7 +207,7 @@ private:
 //
 // Macro to implement main()
 //
-#if defined(_WIN32) && defined(POCO_WIN32_UTF8)
+#if defined(_WIN32) && defined(POCO_WIN32_UTF8) && !defined(MINGW32)
 	#define POCO_SERVER_MAIN(App) \
 	int wmain(int argc, wchar_t** argv)	\
 	{									\