diff --git a/pylons_app/model/forms.py b/pylons_app/model/forms.py
--- a/pylons_app/model/forms.py
+++ b/pylons_app/model/forms.py
@@ -297,8 +297,8 @@ def ApplicationSettingsForm():
     class _ApplicationSettingsForm(formencode.Schema):
         allow_extra_fields = True
         filter_extra_fields = False
-        app_title = UnicodeString(strip=True, min=3, not_empty=True)
-        app_auth_realm = UnicodeString(strip=True, min=3, not_empty=True)
+        hg_app_title = UnicodeString(strip=True, min=3, not_empty=True)
+        hg_app_realm = UnicodeString(strip=True, min=3, not_empty=True)
         
     return _ApplicationSettingsForm