diff --git a/tools/generate-tempest-plugins-list.py b/tools/generate-tempest-plugins-list.py
index dd05438..bbb9019 100644
--- a/tools/generate-tempest-plugins-list.py
+++ b/tools/generate-tempest-plugins-list.py
@@ -75,11 +75,13 @@
 # json library won't choke.
 projects = sorted(filter(is_in_openstack_namespace, json.loads(r.read()[4:])))
 
-# Retrieve projects having no deb, ui or spec namespace as those namespaces
-# do not contains tempest plugins.
-projects_list = [i for i in projects if not (i.startswith('openstack/deb-') or
-                                             i.endswith('-ui') or
-                                             i.endswith('-specs'))]
+# Retrieve projects having no deb, puppet, ui or spec namespace as those
+# namespaces do not contains tempest plugins.
+projects_list = [i for i in projects if not (
+    i.startswith('openstack/deb-') or
+    i.startswith('openstack/puppet-') or
+    i.endswith('-ui') or
+    i.endswith('-specs'))]
 
 found_plugins = list(filter(has_tempest_plugin, projects_list))