diff --git a/.gitlab-ci/test-source-dep.yml b/.gitlab-ci/test-source-dep.yml
index 834fe482d7d..6ae211c85ba 100644
--- a/.gitlab-ci/test-source-dep.yml
+++ b/.gitlab-ci/test-source-dep.yml
@@ -168,6 +168,7 @@
     # so only enable automatic testing when running in the context of Mesa to
     # prevent failures in forks.
     - if: '$CI_PROJECT_NAMESPACE != "mesa"'
+      when: never
 
 .austriancoder-farm-rules:
   rules: