diff --git a/make/rules.mk b/make/rules.mk
index fddab9f5..081a9ab9 100644
--- a/make/rules.mk
+++ b/make/rules.mk
@@ -10,7 +10,7 @@ all: all.done
 echo_all:
 	@echo "$(ALL)"
 
-all.done: $(PREREQ_DONE) $(LOCAL_TARGETS) $(ALL)
+all.done: $(PREREQ_DONE) $(LOCAL_TARGETS) $(ALL) $(OBJ)
 	touch $@
 
 %.done: