diff --git a/test_dj_database_url.py b/test_dj_database_url.py
index fdc48c4..4513723 100644
--- a/test_dj_database_url.py
+++ b/test_dj_database_url.py
@@ -65,14 +65,14 @@ class DatabaseTestSuite(unittest.TestCase):
 
     def test_empty_sqlite_url(self):
         url = 'sqlite://'
-        dj_database_url.parse(url)
+        url = dj_database_url.parse(url)
 
         assert url['ENGINE'] == 'django.db.backends.sqlite3'
         assert url['NAME'] == ':memory:'
 
     def test_memory_sqlite_url(self):
         url = 'sqlite://:memory:'
-        dj_database_url.parse(url)
+        url = dj_database_url.parse(url)
 
         assert url['ENGINE'] == 'django.db.backends.sqlite3'
         assert url['NAME'] == ':memory:'