diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index dee471b1d46..b9b92784a8a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,5 +1,8 @@
 workflow:
   rules:
+    # do not duplicate pipelines on merge pipelines
+    - if: $CI_COMMIT_BRANCH && $CI_OPEN_MERGE_REQUESTS && $CI_PIPELINE_SOURCE == "push" && $GITLAB_USER_LOGIN == "marge-bot"
+      when: never
     # merge pipeline
     - if: $GITLAB_USER_LOGIN == "marge-bot" && $CI_COMMIT_BRANCH == null
       variables: