diff --git a/setup.py b/setup.py
index 67ef617..8655b5b 100644
--- a/setup.py
+++ b/setup.py
@@ -47,7 +47,7 @@ setup(
     install_requires=['six'],
     zip_safe=False,
     extras_require={
-        'database':  ['django-picklefield'],
+        'database': ['django-picklefield'],
         'redis': ['redis'],
     }
 )