diff --git a/src/libCom/Makefile b/src/libCom/Makefile
index 997b74a25..676a805ec 100644
--- a/src/libCom/Makefile
+++ b/src/libCom/Makefile
@@ -46,6 +46,7 @@ Com_RCS = Com.rc
 
 include $(TOP)/configure/RULES
 
+include $(LIBCOM)/as/RULES
 include $(LIBCOM)/env/RULES
 include $(LIBCOM)/error/RULES
 include $(LIBCOM)/flex/RULES