diff --git a/src/msw/mimetype.cpp b/src/msw/mimetype.cpp
index 711023e813..c4e8974a98 100644
--- a/src/msw/mimetype.cpp
+++ b/src/msw/mimetype.cpp
@@ -9,7 +9,7 @@
 // Licence:     wxWindows licence (part of wxExtra library)
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef    __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation "mimetype.h"
 #endif