diff --git a/Makefile b/Makefile
index 73a080c..1d7d5f2 100644
--- a/Makefile
+++ b/Makefile
@@ -1074,7 +1074,10 @@ U_BOOT_ITS = $(subst ",,$(CONFIG_SPL_FIT_SOURCE))
 else
 ifneq ($(CONFIG_SPL_FIT_GENERATOR),"")
 U_BOOT_ITS := u-boot.its
-$(U_BOOT_ITS): FORCE
+ifeq ($(CONFIG_SPL_FIT_GENERATOR),"arch/arm/mach-rockchip/make_fit_atf.py")
+U_BOOT_ITS_DEPS += u-boot
+endif
+$(U_BOOT_ITS): $(U_BOOT_ITS_DEPS) FORCE
 	$(srctree)/$(CONFIG_SPL_FIT_GENERATOR) \
 	$(patsubst %,arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) > $@
 endif