diff --git a/.github/workflows/mapbase_pr.yml b/.github/workflows/mapbase_pr.yml
index 87c2b0e2..c7c6a3e6 100644
--- a/.github/workflows/mapbase_pr.yml
+++ b/.github/workflows/mapbase_pr.yml
@@ -11,6 +11,7 @@ on: [pull_request]
 jobs:
   label:
 
+    if: github.repository_owner == 'mapbase-source'
     runs-on: ubuntu-latest
     permissions:
       contents: read