diff --git a/config.h.win32 b/config.h.win32
index 78603ebc6c..0083a170c7 100644
--- a/config.h.win32
+++ b/config.h.win32
@@ -1,3 +1,5 @@
+/* WARNING! OUTDATED! If you care about this file, fix it! */
+
 /* config.h.win32. Hand-generated */
 #define GETTEXT_PACKAGE "gimp14"