diff --git a/tests/test_pagure_lib.py b/tests/test_pagure_lib.py
index 51c4e1b..b7271cc 100644
--- a/tests/test_pagure_lib.py
+++ b/tests/test_pagure_lib.py
@@ -3257,15 +3257,15 @@ class PagureLibtests(tests.Modeltests):
         self.assertEqual(len(users), 0)
         self.assertEqual(project.user.username, 'pingou')
 
-        users = pagure.lib.get_project_users(
-            self.session,
-            project_obj=project,
-            access='owner',
+        # Wrong access level, should raise Accesslevelnotfound exception
+        self.assertRaises(
+            pagure.exceptions.AccessLevelNotFound,
+            pagure.lib.get_project_users,
+                self.session,
+                project_obj=project,
+                access='owner',
         )
 
-        # Wrong access level, should return None
-        self.assertEqual(users, None)
-
         # Let's add a new user to the project, 'foo'
         # By default, if no access is specified, he becomes an admin
         msg = pagure.lib.add_user_to_project(