diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7e4c6b8f62..9b2bb0794c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -26,7 +26,7 @@ jobs:
   test-pr-merge:
     name: 'test pull request (merge commit)'
     runs-on: ubuntu-22.04
-    if: github.event_name == 'pull_request' # && github.event.pull_request.commits != 1
+    # if: github.event_name == 'pull_request' # && github.event.pull_request.commits != 1
     timeout-minutes: 360  # Use maximum time, see https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idtimeout-minutes. Assuming a worst case time of 1 hour per commit, this leads to a --max-count=6 below.
     # env:
     #   MAX_COUNT: 6
@@ -34,8 +34,8 @@ jobs:
       # - name: Determine fetch depth
       #   run: echo "FETCH_DEPTH=$((${{ github.event.pull_request.commits }} + 2))" >> "$GITHUB_ENV"
       - uses: actions/checkout@v4
-        with:
-          ref: ${{ github.event.pull_request.head.sha }}
+        # with:
+        #   ref: ${{ github.event.pull_request.head.sha }}
         #   fetch-depth: ${{ env.FETCH_DEPTH }}
       # - name: Determine commit range
       #   run: |