diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 8211ed5f..dd642be0 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -28,6 +28,7 @@ permissions:
 
 
 jobs:
+  if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
   changes:
     runs-on: ubuntu-latest
     timeout-minutes: 1