diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 503cbe8ac28dfbef4bfba2ade4b834a79edb71c1..9b254779150155828adfccfffe795d7f63147381 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -561,7 +561,10 @@ BuildOnlineContainerMR:
 VerifyOnlineContainerMR:
   stage: verify
   only:
-    - merge_requests
+    refs:
+      - merge_requests
+    variables:
+      - $CI_MERGE_REQUEST_PROJECT_PATH == "computing/cbmroot" && $CI_MERGE_REQUEST_TARGET_BRANCH_NAME == "master"
   needs:
     - BuildOnlineContainerMR
   tags: