diff --git a/build/tasks/kernel.mk b/build/tasks/kernel.mk
index bdf264d4..23806d9f 100644
--- a/build/tasks/kernel.mk
+++ b/build/tasks/kernel.mk
@@ -89,10 +89,13 @@ KERNEL_DEFCONFIG_SRC := $(KERNEL_DEFCONFIG_DIR)/$(KERNEL_DEFCONFIG)
 
 ifneq ($(TARGET_KERNEL_ADDITIONAL_CONFIG),)
 KERNEL_ADDITIONAL_CONFIG := $(TARGET_KERNEL_ADDITIONAL_CONFIG)
+KERNEL_ADDITIONAL_CONFIG_DEPENDENCY :=
 KERNEL_ADDITIONAL_CONFIG_SRC := $(KERNEL_DEFCONFIG_DIR)/$(KERNEL_ADDITIONAL_CONFIG)
     ifeq ("$(wildcard $(KERNEL_ADDITIONAL_CONFIG_SRC))","")
         $(warning TARGET_KERNEL_ADDITIONAL_CONFIG '$(TARGET_KERNEL_ADDITIONAL_CONFIG)' doesn't exist)
         KERNEL_ADDITIONAL_CONFIG_SRC := /dev/null
+    else
+        KERNEL_ADDITIONAL_CONFIG_DEPENDENCY := $(KERNEL_ADDITIONAL_CONFIG_SRC)
     endif
 else
     KERNEL_ADDITIONAL_CONFIG_SRC := /dev/null
@@ -239,10 +242,8 @@ define make-dtb-target
 $(call internal-make-kernel-target,$(DTB_OUT),$(1))
 endef
 
-$(KERNEL_OUT):
+$(KERNEL_ADDITIONAL_CONFIG_OUT): $(KERNEL_ADDITIONAL_CONFIG_DEPENDENCY)
 	mkdir -p $(KERNEL_OUT)
-
-$(KERNEL_ADDITIONAL_CONFIG_OUT): $(KERNEL_OUT)
 	$(hide) cmp -s $(KERNEL_ADDITIONAL_CONFIG_SRC) $@ || cp $(KERNEL_ADDITIONAL_CONFIG_SRC) $@;
 
 $(KERNEL_CONFIG): $(KERNEL_DEFCONFIG_SRC) $(KERNEL_ADDITIONAL_CONFIG_OUT)
@@ -288,13 +289,15 @@ kerneltags: $(KERNEL_CONFIG)
 
 .PHONY: kernelsavedefconfig alldefconfig
 
-kernelsavedefconfig: $(KERNEL_OUT)
+kernelsavedefconfig:
+	mkdir -p $(KERNEL_OUT)
 	$(call make-kernel-target,$(KERNEL_DEFCONFIG))
 	env KCONFIG_NOTIMESTAMP=true \
 		 $(call make-kernel-target,savedefconfig)
 	cp $(KERNEL_OUT)/defconfig $(KERNEL_DEFCONFIG_SRC)
 
-alldefconfig: $(KERNEL_OUT)
+alldefconfig:
+	mkdir -p $(KERNEL_OUT)
 	env KCONFIG_NOTIMESTAMP=true \
 		 $(call make-kernel-target,alldefconfig)