diff --git a/.github/workflows/sync-ghes.yaml b/.github/workflows/sync-ghes.yaml
index 5e949bb..26d2665 100644
--- a/.github/workflows/sync-ghes.yaml
+++ b/.github/workflows/sync-ghes.yaml
@@ -2,7 +2,7 @@ name: Sync workflows for GHES
 
 on:
   push:
-    branches: [ $default-branch ]
+    branches: [ main ]
   workflow_dispatch:
 
 jobs: