diff --git a/make/depend.mk b/make/depend.mk
index fc95e7c0..780431d9 100644
--- a/make/depend.mk
+++ b/make/depend.mk
@@ -2,6 +2,7 @@ DEPEND_CFLAGS   += -D__MAKEDEPEND__
 DEPEND_CPPFLAGS += -D__MAKEDEPEND__
 
 DEPEND_MK = $(addprefix .,$(addsuffix .dep.mk, $(OBJ)))
+$(DEPEND_MK): $(PREREQ_DONE)
 
 ifneq ($(MAKECMDGOALS),clean)
 ifneq ($(MAKECMDGOALS),distclean)