diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 58333075..f5a709b6 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -97,7 +97,7 @@ jobs:
     environment: Deployment
     needs: [test, lint, docs]
     runs-on: ubuntu-latest
-    if: github.ref=='refs/heads/master' && github.event_name!='pull_request'
+    if: github.ref=='refs/heads/master' && github.event_name!='pull_request' && github.repository == 'getpelican/pelican'
 
     permissions:
       contents: write