diff --git a/cluster/images/conformance/Dockerfile b/cluster/images/conformance/Dockerfile
index 2466bbace45..0fc607f994b 100644
--- a/cluster/images/conformance/Dockerfile
+++ b/cluster/images/conformance/Dockerfile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM BASEIMAGE
+FROM --platform=linux/ARCH BASEIMAGE
 
 COPY ginkgo /usr/local/bin/
 COPY e2e.test /usr/local/bin/
diff --git a/cluster/images/conformance/Makefile b/cluster/images/conformance/Makefile
index 76bb6f10db2..2764869dcce 100644
--- a/cluster/images/conformance/Makefile
+++ b/cluster/images/conformance/Makefile
@@ -54,7 +54,7 @@ endif
 	chmod a+rx ${TEMP_DIR}/e2e.test
 	chmod a+rx ${TEMP_DIR}/gorunner
 
-	cd ${TEMP_DIR} && sed -i.back "s|BASEIMAGE|${BASEIMAGE}|g" Dockerfile
+	cd ${TEMP_DIR} && sed -i.back "s|ARCH|${ARCH}|g; s|BASEIMAGE|${BASEIMAGE}|g" Dockerfile
 
 	docker build --pull -t ${REGISTRY}/conformance-${ARCH}:${VERSION} ${TEMP_DIR}
 	rm -rf "${TEMP_DIR}"