diff --git a/sso/services/__init__.py b/sso/services/__init__.py
index 0b3114f..775b842 100644
--- a/sso/services/__init__.py
+++ b/sso/services/__init__.py
@@ -17,6 +17,8 @@ class BaseService():
 
     """
 
+    corp_only = False
+
     def add_user(self, username, password):
         """ Add a user """
         pass