diff --git a/.github/workflows/comment-commands.yml b/.github/workflows/comment-commands.yml
index 3f3402270e..eb9e2f96d1 100644
--- a/.github/workflows/comment-commands.yml
+++ b/.github/workflows/comment-commands.yml
@@ -18,4 +18,6 @@ jobs:
     steps:
       # Using REST API and not `gh issue edit`. https://github.com/cli/cli/issues/6235#issuecomment-1243487651
       - run: |
-          curl -H "Authorization: token ${{ github.token }}" -d '{"assignees": ["${{ github.event.comment.user.login }}"]}' https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.issue.number }}/assignees
+          curl -H "Authorization: token ${{ github.token }}" -d '{"assignees": ["${{ env.USER }}"]}' https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.issue.number }}/assignees
+        env:
+          USER:  ${{ github.event.comment.user.login }}