diff --git a/tools/check_valid_gerrit_projects.py b/tools/check_valid_gerrit_projects.py
index c2c4870470..071ce16c9f 100755
--- a/tools/check_valid_gerrit_projects.py
+++ b/tools/check_valid_gerrit_projects.py
@@ -75,7 +75,7 @@ def check_repo(repo_path):
                 continue
             repo.git.checkout(branch)
             head = repo.head.commit.tree
-            for z in ['zuul.yaml', 'zuul.yaml', 'zuul.d', '.zuul.d']:
+            for z in ['zuul.yaml', '.zuul.yaml', 'zuul.d', '.zuul.d']:
                 if z in head:
                     found_errors += 1
                     print("  ERROR: Found %s on branch %s" % (z, branch))