diff --git a/src/makeBaseApp/top/config/RULES.Vx b/src/makeBaseApp/top/config/RULES.Vx
index bdc2f46b0..fb9761cec 100644
--- a/src/makeBaseApp/top/config/RULES.Vx
+++ b/src/makeBaseApp/top/config/RULES.Vx
@@ -10,5 +10,5 @@ inc:: $(INSTALL_INCREC)
 
 
 # Library should be rebuilt because LIBOBJS may have changed.
-$(LIBNAME): ../Makefile
+$(LIBNAME): ../Makefile.Vx