diff --git a/.github/workflows/if-nodejs-pr-testing.yml b/.github/workflows/if-nodejs-pr-testing.yml
index a0fb664221c..f578d9e6636 100644
--- a/.github/workflows/if-nodejs-pr-testing.yml
+++ b/.github/workflows/if-nodejs-pr-testing.yml
@@ -43,7 +43,7 @@ jobs:
         name: Checkout repository
         uses: actions/checkout@v4
         with:
-          ref: refs/pull/${{ github.event.pull_request.number }}/merge
+          ref: ${{ github.event.pull_request.number != '' && format('refs/pull/{0}/merge', github.event.pull_request.number) || github.ref }}
 
       - if: steps.should_run.outputs.shouldrun == 'true'
         name: Check if Node.js project and has package.json