diff --git a/system/user.py b/system/user.py
index ee309d10973..dd141565bde 100755
--- a/system/user.py
+++ b/system/user.py
@@ -239,7 +239,7 @@ class User(object):
     platform = 'Generic'
     distribution = None
     SHADOWFILE = '/etc/shadow'
-    DATE_FORMAT = '%Y-%M-%d'
+    DATE_FORMAT = '%Y-%m-%d'
 
     def __new__(cls, *args, **kwargs):
         return load_platform_subclass(User, args, kwargs)