diff --git a/uniticket/tests/test_03_manager.py b/uniticket/tests/test_03_manager.py
index 27a00510..0febcb97 100644
--- a/uniticket/tests/test_03_manager.py
+++ b/uniticket/tests/test_03_manager.py
@@ -484,7 +484,8 @@ def test_category_task(self):
 
         params = {'subject': subject,
                   'description': description,
-                  'priority': 0}
+                  'priority': 0,
+                  'ordering': 10}
 
         response = self.client.post(reverse('uni_ticket:manager_category_task_new',
                                             kwargs={'structure_slug': self.structure_1.slug,