diff --git a/include/wx/defs.h b/include/wx/defs.h
index 831f870c5e..e22a7d625e 100644
--- a/include/wx/defs.h
+++ b/include/wx/defs.h
@@ -375,7 +375,7 @@ typedef int wxWindowID;
         /*  VC++ 6.0 and 5.0 have std::wstring (what about earlier versions?) */
         #define HAVE_STD_WSTRING
     #elif ( defined(__MINGW32__) || defined(__CYGWIN32__) ) \
-          && wxCHECK_GCC_VERSION(3, 1)
+          && wxCHECK_GCC_VERSION(3, 3)
         /*  GCC 3.1 has std::wstring; 3.0 never was in MinGW, 2.95 hasn't it */
         #define HAVE_STD_WSTRING
     #endif