diff --git a/src/makeBaseApp/top/config/RULES.Db b/src/makeBaseApp/top/config/RULES.Db
index 3016ec2ba..5b3928a69 100644
--- a/src/makeBaseApp/top/config/RULES.Db
+++ b/src/makeBaseApp/top/config/RULES.Db
@@ -181,7 +181,7 @@ bpt%.dbd:: ../bpt%.data
 	$(MAKEBPT) $<
 
 ifdef DBDEXPAND
-$(DBDNAME):: ../$(DBDEXPAND)
+$(DBDNAME): ../$(DBDEXPAND)
 	@echo "Expanding dbd"
 	@$(RM) $@
 	$(DBEXPAND) $(DBDFLAGS) $< > $@