diff --git a/.github/workflows/phpcs.yml b/.github/workflows/phpcs.yml
index e0ba7b6b..8af2168d 100644
--- a/.github/workflows/phpcs.yml
+++ b/.github/workflows/phpcs.yml
@@ -44,7 +44,7 @@ jobs:
 
       - name: Run PHP_CodeSniffer
         if: ${{ steps.changed-files.outputs.any_changed == 'true' }}
-        un: |
+        run: |
           HEAD_REF=$(git rev-parse HEAD)
           git checkout $HEAD_REF
           phpcs-changed -s --git --git-base ${{ github.base_ref }} ${{ steps.changed-files.outputs.all_changed_files }}