diff --git a/.github/workflows/sync-repo-pr.yml b/.github/workflows/sync-repo-pr.yml
index 37ca77e55..df1296066 100644
--- a/.github/workflows/sync-repo-pr.yml
+++ b/.github/workflows/sync-repo-pr.yml
@@ -8,7 +8,7 @@ on:
 
 env:
   CURRENT_BRANCH: ${{ github.ref_name }}
-  TARGET_BRANCH: ${{ vars.SYNC_TARGET_BRANCH_NAME }} # The target branch that you would like to merge changes like develop
+  TARGET_BRANCH: "preview" # The target branch that you would like to merge changes like develop
   GITHUB_TOKEN: ${{ secrets.ACCESS_TOKEN }} # Personal access token required to modify contents and workflows
   ACCOUNT_USER_NAME: ${{ vars.ACCOUNT_USER_NAME }}
   ACCOUNT_USER_EMAIL: ${{ vars.ACCOUNT_USER_EMAIL }}