diff --git a/reactos/lib/atl/atlcore.h b/reactos/lib/atl/atlcore.h
index f679568e80d..7961f3f4e98 100644
--- a/reactos/lib/atl/atlcore.h
+++ b/reactos/lib/atl/atlcore.h
@@ -219,15 +219,18 @@ extern CAtlBaseModule _AtlBaseModule;
 ///
 // String Resource helper functions
 //
-
+#ifdef _MSC_VER
 #pragma warning(push)
 #pragma warning(disable: 4200)
+#endif
 struct ATLSTRINGRESOURCEIMAGE
 {
     WORD nLength;
     WCHAR achString[];
 };
+#ifdef _MSC_VER
 #pragma warning(pop)
+#endif
 
 inline const ATLSTRINGRESOURCEIMAGE* _AtlGetStringResourceImage(
     _In_ HINSTANCE hInstance,