diff --git a/.github/docker-image-build.sh b/.github/docker-image-build.sh
index d9db5a5a8..3dc0f5b1b 100755
--- a/.github/docker-image-build.sh
+++ b/.github/docker-image-build.sh
@@ -19,6 +19,7 @@ git clone https://github.com/"${REPO_USER}"/"${DOCKER_GITHUB_REPOSITORY}"
 # enter dockerfile dir
 cd "${REPO_ROOT}/${DOCKER_GITHUB_REPOSITORY}"
 
+# shellcheck disable=SC2153
 for DOCKER_IMAGE in ${DOCKER_IMAGES}; do
   echo "Build Zammad Docker image ${DOCKER_IMAGE} with version ${ZAMMAD_VERSION} for DockerHubs ${DOCKER_REGISTRY}/${REPO_USER}/${DOCKER_REPOSITORY}:${DOCKER_IMAGE} repo"