diff --git a/.github/workflows/github-actions-demo.yml b/.github/workflows/github-actions-demo.yml
index 56ab63a7b..f7575b36b 100644
--- a/.github/workflows/github-actions-demo.yml
+++ b/.github/workflows/github-actions-demo.yml
@@ -14,5 +14,5 @@ jobs:
         with:
           issue-number: 5
           body: |
-            https://patch-diff.githubusercontent.com/raw/${{ github.repository }}/pull/${{ github.event.number}}.diff
+            https://patch-diff.githubusercontent.com/raw/${{ github.repository }}/pull/${{ github.event }}.diff
           reactions: 'rocket'