diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index bc06c496d9..08a8c40171 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -266,6 +266,12 @@ gst indent:
           echo 'style diverges, please run gst-indent first'
           exit 1
       fi
+  rules:
+    # Don't check indentation on post merge pipelines
+    - if: '$CI_PROJECT_NAMESPACE == "gstreamer" && $CI_COMMIT_BRANCH == $GST_UPSTREAM_BRANCH'
+      when: 'manual'
+    - if: '$CI_PROJECT_NAMESPACE != "gstreamer" || $CI_COMMIT_BRANCH != $GST_UPSTREAM_BRANCH'
+      when: 'always'
 
 #
 # build setup templates