diff --git a/tests/test_broadcasting.py b/tests/test_broadcasting.py
index 63e8b51..d7db728 100644
--- a/tests/test_broadcasting.py
+++ b/tests/test_broadcasting.py
@@ -23,7 +23,7 @@ pytestmark = pytest.mark.django_db
 CATEGORIES = (u'Alerts', u'News')
 
 def get_random_number():
-    number_generator = range(10)
+    number_generator = list(range(10))
     random.shuffle(number_generator)
     number = ''.join(map(str, number_generator))
     return number