diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 74e237572e2f7e94b7cdbbc34e8be2441506531a..199db1a44558dae024c0b43958ccc01cd13f230d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -35,6 +35,7 @@ update-docker-image:
   script:
 
 # push to our registry
+    - if [ "${CI_COMMIT_REF_NAME:-}" = "${CI_DEFAULT_BRANCH}" ]; then IS_DEFAULT_BRANCH=1; fi
     - |
         /kaniko/executor \
           --context ${CI_PROJECT_DIR}/docker/code-analysis \