diff --git a/kernel/kernel-4.9/arch/arm64/boot/dts/Makefile b/kernel/kernel-4.9/arch/arm64/boot/dts/Makefile
index 5be2c2320..1fee2accf 100644
--- a/kernel/kernel-4.9/arch/arm64/boot/dts/Makefile
+++ b/kernel/kernel-4.9/arch/arm64/boot/dts/Makefile
@@ -120,9 +120,11 @@ DTCCPP_FLAGS += $(addprefix -I$(LI_MT9M021_PATH)/,$(dts-include))
 DTC_FLAGS += -i $(LI_MT9M021_MAKEFILE_PATH)/../soc/t18x/kernel-include
 DTC_FLAGS += -i $(LI_MT9M021_MAKEFILE_PATH)/../soc/t18x/kernel-dts
 DTC_FLAGS += -i $(LI_MT9M021_MAKEFILE_PATH)/t18x/common/kernel-dts
+DTC_FLAGS += -i $(LI_MT9M021_MAKEFILE_PATH)/t18x/quill/kernel-dts
 DTCCPP_FLAGS += -I$(LI_MT9M021_MAKEFILE_PATH)/../soc/t18x/kernel-include
 DTCCPP_FLAGS += -I$(LI_MT9M021_MAKEFILE_PATH)/../soc/t18x/kernel-dts
 DTCCPP_FLAGS += -I$(LI_MT9M021_MAKEFILE_PATH)/t18x/common/kernel-dts
+DTCCPP_FLAGS += -I$(LI_MT9M021_MAKEFILE_PATH)/t18x/quill/kernel-dts
 endif
 endif