diff --git a/openerp/osv/orm.py b/openerp/osv/orm.py
index 48d66f30e32..3aee2ec1899 100644
--- a/openerp/osv/orm.py
+++ b/openerp/osv/orm.py
@@ -1555,8 +1555,10 @@ class orm_template(object):
                             attrs['selection'].append((False, ''))
                 fields[node.get('name')] = attrs
 
-                field = model_fields[node.get('name')]
-                transfer_field_to_modifiers(field, modifiers)
+                field = model_fields.get(node.get('name'))
+                if field:
+                    transfer_field_to_modifiers(field, modifiers)
+ 
 
         elif node.tag in ('form', 'tree'):
             result = self.view_header_get(cr, user, False, node.tag, context)