1 files changed, 1 insertions, 2 deletions
diff --git a/cfg.mk b/cfg.mk
index d3ec9de02..34123d5a7 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -160,8 +160,7 @@ sc_system_h_headers: .re-list
 	@if test -f $(srcdir)/src/system.h; then			\
 	  trap 'rc=$$?; rm -f .re-list; exit $$rc' 0 1 2 3 15;		\
 	  grep -nE -f .re-list						\
-	      $$($(VC_LIST) src |					\
-		 grep -Ev '((copy|system)\.h|parse-gram\.c)$$')		\
+	      $$($(VC_LIST_EXCEPT) | grep '^src/')			\
 	    && { echo '$(ME): the above are already included via system.h'\
 		  1>&2;  exit 1; } || :;				\
 	fi