diff --git a/.github/workflows/extension-template-sync.md b/.github/workflows/extension-template-sync.md
index 315d0e24..e094db54 100644
--- a/.github/workflows/extension-template-sync.md
+++ b/.github/workflows/extension-template-sync.md
@@ -8,6 +8,7 @@ on:
   schedule:
     - cron: daily
   workflow_dispatch:
+if: github.repository == 'microsoft/vscode-isort'
 permissions:
   contents: read
   pull-requests: read