diff --git a/Makefile b/Makefile
index 0099084..c38f710 100644
--- a/Makefile
+++ b/Makefile
@@ -118,7 +118,8 @@ $(GEN_IMAGE_DOCKERFILES) Dockerfile: %Dockerfile: %Dockerfile.in $(DOCKER_COMPOS
 web-wasm: web-wasm/Dockerfile
 	mkdir -p $@/imagefiles && cp -r imagefiles $@/
 	cp -r test web-wasm/
-	$(DOCKER) build -t $(ORG)/web-wasm:$(TAG) \
+	$(DOCKER) buildx build -t $(ORG)/web-wasm:$(TAG) \
+		--platform linux/amd64,linux/arm64 \
 		-t $(ORG)/web-wasm:latest \
 		--build-arg IMAGE=$(ORG)/web-wasm \
 		--build-arg VERSION=$(TAG) \