diff --git a/modoboa/core/templates/settings.py b/modoboa/core/templates/settings.py
index 3c3ae5a7a..5a9197c09 100644
--- a/modoboa/core/templates/settings.py
+++ b/modoboa/core/templates/settings.py
@@ -135,7 +135,7 @@ INSTALLED_APPS = (
     # 'django.contrib.admin',
     # Uncomment the next line to enable admin documentation:
     # 'django.contrib.admindocs',
-
+    'reversion',
     'south',
     'modoboa',
     'modoboa.auth',