diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index fa1a7d5..fa8c2dd 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -4,7 +4,11 @@
 
 PHONY += oldconfig xconfig gconfig menuconfig config silentoldconfig update-po-config
 
+ifdef KBUILD_KCONFIG
+Kconfig := $(KBUILD_KCONFIG)
+else
 Kconfig := arch/$(SRCARCH)/Kconfig
+endif
 
 xconfig: $(obj)/qconf
 	$< $(Kconfig)