diff --git a/.github/workflows/diff-quality.yml b/.github/workflows/diff-quality.yml
index 441dda9..a2294e7 100644
--- a/.github/workflows/diff-quality.yml
+++ b/.github/workflows/diff-quality.yml
@@ -41,4 +41,4 @@ jobs:
     - name: Checkout source branch and diff quality
       run:  |
         git checkout ${{ github.head_ref }}
-        diff-quality --violations=sqlfluff --compare-branch=origin/master --fail-under=95 --options="--exclude='*tests/*'
\ No newline at end of file
+        diff-quality --violations=sqlfluff --compare-branch=origin/master --fail-under=95 --options="--exclude='tests/*'
\ No newline at end of file