diff --git a/tools/check_valid_gerrit_projects.py b/tools/check_valid_gerrit_projects.py
index 88ef793e51..c2e883e0e8 100755
--- a/tools/check_valid_gerrit_projects.py
+++ b/tools/check_valid_gerrit_projects.py
@@ -156,10 +156,10 @@ def main():
 
     projects = yaml.safe_load(open(args.infile, 'r'))
 
-    VALID_LABELS = ["acl-config", "description", "docimpact-group",
-                    "groups", "homepage", "options", "project",
-                    "upstream", "upstream-prefix", "use-storyboard",
-                    "cgit-alias"]
+    VALID_LABELS = ["acl-config", "cgit-alias", "description",
+                    "docimpact-group", "external-tracker-url", "groups",
+                    "homepage", "options", "project", "upstream",
+                    "upstream-prefix", "use-storyboard"]
     VALID_SCHEMES = ['https://', 'http://', 'git://']
     DESCRIPTION_REQUIRED = ['openstack', 'openstack-infra', 'openstack-dev',
                             'stackforge']