diff --git trytond/protocols/dispatcher.py
index cdf30d0..752524b 100644
--- a/trytond/trytond/protocols/dispatcher.py
+++ b/trytond/trytond/protocols/dispatcher.py
@@ -179,6 +179,9 @@ def dispatch(host, port, protocol, database_name, user, session, object_type,
             try:
                 c_args, c_kwargs, transaction.context, transaction.timestamp \
                     = rpc.convert(obj, *args, **kwargs)
+
+                transaction.set_context({'host': host})
+
                 meth = getattr(obj, method)
                 if not hasattr(meth, 'im_self') or meth.im_self:
                     result = rpc.result(meth(*c_args, **c_kwargs))