diff --git a/.github/workflows/code-quality.yml b/.github/workflows/code-quality.yml
index 8285251503d..a1bba6935e3 100644
--- a/.github/workflows/code-quality.yml
+++ b/.github/workflows/code-quality.yml
@@ -17,5 +17,4 @@ jobs:
           python-version: "3.9"
       - name: Check that PR doesn't introduce large changes
         run: |
-          git fetch origin ${{ github.event.pull_request.base.ref }}
-          python ./infra/scripts/commit-filesize-diff-summary.py --limit 2MB ${{ github.event.pull_request.base.ref }}..HEAD
+          python ./infra/scripts/commit-filesize-diff-summary.py --limit 2MB origin/${{ github.event.pull_request.base.ref }}..HEAD