diff --git a/Modules/parsermodule.c b/Modules/parsermodule.c
index 94e22ec..5d6c2ea 100644
--- a/Modules/parsermodule.c
+++ b/Modules/parsermodule.c
@@ -820,7 +820,11 @@
 }   /* build_node_tree() */
 
 
+#ifdef HAVE_OLD_CPP
+#define VALIDATER(n)    static int validate_/**/n()
+#else
 #define	VALIDATER(n)	static int validate_##n()
+#endif
 
 
 /*