diff --git a/include/wx/msw/winundef.h b/include/wx/msw/winundef.h
index 87c9c72f53..3c15b7290c 100644
--- a/include/wx/msw/winundef.h
+++ b/include/wx/msw/winundef.h
@@ -291,6 +291,11 @@
    }
 #endif
 
+
+#ifdef Yield
+    #undef Yield
+#endif
+
 // GetWindowProc
 //ifdef GetWindowProc
 //   #undef GetWindowProc