diff --git a/include/image.mk b/include/image.mk
index 020418d54d..287c679cfd 100644
--- a/include/image.mk
+++ b/include/image.mk
@@ -326,6 +326,13 @@ define Build/check-size
 	}
 endef
 
+define Build/combined-image
+	-sh $(TOPDIR)/scripts/combined-image.sh \
+		"$(word 1,$^)" \
+		"$@" \
+		"$@.new"
+	@mv $@.new $@
+endef
 
 define Device/Init
   PROFILES := $(PROFILE)