diff --git a/.github/workflows/trivy.yaml b/.github/workflows/trivy.yaml
index a5aff758d7..80d0fa312d 100644
--- a/.github/workflows/trivy.yaml
+++ b/.github/workflows/trivy.yaml
@@ -16,7 +16,7 @@ jobs:
     - name: Checkout PR code
       uses: actions/checkout@v4
       with:
-        ref: ${{ github.event.issue.pull_request.head.ref }}
+        ref: refs/pull/${{ github.event.issue.number }}/head
     
     - name: Comment Status on PR
       run: |
@@ -45,4 +45,4 @@ jobs:
     - name: Report Failure
       if: ${{ failure() }}
       run: |
-        gh issue comment ${{ github.event.issue.number }} --edit-last -b ":x: Trivy scan action failed, check logs :x:"
\ No newline at end of file
+        gh issue comment ${{ github.event.issue.number }} --edit-last -b ":x: Trivy scan action failed, check logs :x:"