diff --git a/include/wx/wx_cw_d.h b/include/wx/wx_cw_d.h
index 94d5dd1741..ef13968623 100644
--- a/include/wx/wx_cw_d.h
+++ b/include/wx/wx_cw_d.h
@@ -12,7 +12,7 @@
 #ifndef _WX_CW__
 #define _WX_CW__
 
-#if __MWERKS__ >= 0x2400
+#if __MWERKS__ >= 0x2400 && __MWERKS__ < 0x3200
 #pragma old_argmatch on
 #endif