diff --git a/docker-compose.yml b/docker-compose.yml
index 89d44aaf3a07ed02f3f3271544ef27ea0c3bc0bd..1abcfbd4accc5408bae6341927421e7eacb6fa45 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -9,6 +9,7 @@ services:
       DOCKER_IMAGE: docker:19.03
       REGISTRATION_TOKEN: "${REGISTRATION_TOKEN}"
       RUNNER_NAME: "${RUNNER_NAME}"
+      REGISTER_RUN_UNTAGGED: "${RUN_UNTAGGED:-true}"
       RUNNER_TAG_LIST: "${RUNNER_NAME}"
     image: adarnimrod/gitlab-runner
     restart: always