diff --git a/runner/Makefile b/runner/Makefile
index 94305536..a0c90abb 100644
--- a/runner/Makefile
+++ b/runner/Makefile
@@ -1,6 +1,7 @@
 NAME ?= summerwind/actions-runner
 DIND_RUNNER_NAME ?= ${NAME}-dind
 TAG ?= latest
+TARGET_PLATFORM ?= $(shell arch)
 
 RUNNER_VERSION ?= 2.280.3
 DOCKER_VERSION ?= 20.10.8
@@ -23,8 +24,8 @@ else
 endif
 
 docker-build-ubuntu:
-	docker build --build-arg TARGETPLATFORM=$(shell arch) --build-arg RUNNER_VERSION=${RUNNER_VERSION} --build-arg DOCKER_VERSION=${DOCKER_VERSION} -t ${NAME}:${TAG} .
-	docker build --build-arg TARGETPLATFORM=$(shell arch) --build-arg RUNNER_VERSION=${RUNNER_VERSION} --build-arg DOCKER_VERSION=${DOCKER_VERSION} -t ${DIND_RUNNER_NAME}:${TAG} -f Dockerfile.dindrunner .
+	docker build --build-arg TARGETPLATFORM=${TARGET_PLATFORM} --build-arg RUNNER_VERSION=${RUNNER_VERSION} --build-arg DOCKER_VERSION=${DOCKER_VERSION} -t ${NAME}:${TAG} .
+	docker build --build-arg TARGETPLATFORM=${TARGET_PLATFORM} --build-arg RUNNER_VERSION=${RUNNER_VERSION} --build-arg DOCKER_VERSION=${DOCKER_VERSION} -t ${DIND_RUNNER_NAME}:${TAG} -f Dockerfile.dindrunner .
 
 docker-push-ubuntu:
 	docker push ${NAME}:${TAG}