diff --git a/trytond/ir/default.py b/trytond/ir/default.py
index 78495a07d2..ff48bfbc10 100644
--- a/trytond/ir/default.py
+++ b/trytond/ir/default.py
@@ -17,7 +17,7 @@ class Default(OSV):
 
     def __init__(self):
         super(Default, self).__init__()
-        self._rpc_allowed += ['get_default',]
+        self._rpc_allowed += ['get_default', 'set_default']
 
     def get_default(self, cursor, user, model, clause, context=None):
         res = {}