diff --git a/.github/workflows/require-changelog-for-PRs.yml b/.github/workflows/require-changelog-for-PRs.yml
index 3be20571f5..4057de380d 100644
--- a/.github/workflows/require-changelog-for-PRs.yml
+++ b/.github/workflows/require-changelog-for-PRs.yml
@@ -20,4 +20,4 @@ jobs:
           ADDED=$(git diff -U0 "origin/${PR_BASE}" HEAD -- CHANGELOG.md | grep -P '^\+[^\+].+$')
           echo "Added lines in CHANGELOG.md:"
           echo "$ADDED"
-          grep "#${PR_NUMBER}\\b.*@{PR_SUBMITTER}\\b" <<< "$ADDED"
+          grep "#${PR_NUMBER}\\b.*@${PR_SUBMITTER}\\b" <<< "$ADDED"