diff --git a/src/cmd/gc/Makefile b/src/cmd/gc/Makefile
index a67ab17b03..25794c3f23 100644
--- a/src/cmd/gc/Makefile
+++ b/src/cmd/gc/Makefile
@@ -29,7 +29,7 @@ OFILES=\
 	sysimport.$O\
 
 $(LIB): $(OFILES)
-	9ar rsc $(LIB) $(OFILES)
+	ar rsc $(LIB) $(OFILES)
 
 $(OFILES): $(HFILES)