diff --git a/Makefile b/Makefile
index 4b5ef4a..fe11d00 100644
--- a/Makefile
+++ b/Makefile
@@ -39,7 +39,7 @@ docker-build: build
 
 	# build the main image
 	docker build --rm -t ${IMAGE} rootfs
-	docker tag -f ${IMAGE} ${MUTABLE_IMAGE}
+	docker tag ${IMAGE} ${MUTABLE_IMAGE}
 
 
 deploy: build docker-build docker-push