diff --git a/.github/workflows/lock.yml b/.github/workflows/lock.yml
index 5d57d6f4f20..cd1d4efd44b 100644
--- a/.github/workflows/lock.yml
+++ b/.github/workflows/lock.yml
@@ -5,6 +5,7 @@ on:
   workflow_dispatch:
 jobs:
   lock:
+    if: github.repository_owner == 'getsentry'
     runs-on: ubuntu-latest
     steps:
       - uses: getsentry/forked-action-lock-threads@master