diff --git a/win32/config.h b/win32/config.h
index 03e0688443800076cb138e2ea2e1267d6752c8ff..7baf0cdea5fc4f0a1c218d25fba1a81ddc7673dc 100644
--- a/win32/config.h
+++ b/win32/config.h
@@ -44,4 +44,4 @@ POSSIBILITY OF SUCH DAMAGE.
 
 #include "version.h"
 
-#endif CONFIG_H
+#endif /* CONFIG_H */