diff --git a/build/tasks/kernel.mk b/build/tasks/kernel.mk
index 959347b..a16c54f 100644
--- a/build/tasks/kernel.mk
+++ b/build/tasks/kernel.mk
@@ -1,7 +1,7 @@
 ifneq ($(filter db845c, $(TARGET_DEVICE)),)
 
-$(PRODUCT_OUT)/dtb.img: $(DB845C_KERNEL_DIR)/sdm845-db845c.dtb
-	-cat $(DB845C_KERNEL_DIR)/sdm845-db845c.dtb $(DB845C_KERNEL_DIR)/qrb5165-rb5.dtb > $@
+$(PRODUCT_OUT)/dtb.img: $(TARGET_KERNEL_DIR)/sdm845-db845c.dtb $(wildcard $(TARGET_KERNEL_DIR)/qrb5165-rb5.dtb)
+	cat $^ > $@
 
 droidcore: $(PRODUCT_OUT)/dtb.img