diff --git a/.github/workflows/auto_update_price_and_context_window.yml b/.github/workflows/auto_update_price_and_context_window.yml
index 9577d3d2092..0242bfc8058 100644
--- a/.github/workflows/auto_update_price_and_context_window.yml
+++ b/.github/workflows/auto_update_price_and_context_window.yml
@@ -26,7 +26,7 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          BASE_BRANCH: ${{ github.event.repository.default_branch }}
+          BASE_BRANCH: ${{ github.event.repository.default_branch || github.ref_name }}
         run: |
           git config user.name "github-actions[bot]"
           git config user.email "github-actions[bot]@users.noreply.github.com"