diff --git a/Application.mk b/Application.mk
index 9be5cf6b8..803fff642 100644
--- a/Application.mk
+++ b/Application.mk
@@ -329,6 +329,7 @@ register::
 endif
 
 .depend: Makefile $(wildcard $(foreach SRC, $(SRCS), $(addsuffix /$(SRC), $(subst :, ,$(VPATH))))) $(DEPCONFIG)
+	$(shell echo "# Gen Make.dep automatically" >Make.dep)
 	$(call SPLITVARIABLE,ALL_DEP_OBJS,$^,100)
 	$(foreach BATCH, $(ALL_DEP_OBJS_TOTAL), \
 	  $(shell $(MKDEP) $(DEPPATH) --obj-suffix .c$(SUFFIX)$(OBJEXT) "$(CC)" -- $(CFLAGS) -- $(filter %.c,$(ALL_DEP_OBJS_$(BATCH))) >>Make.dep) \