diff --git a/src/rpc.js b/src/rpc.js
index d9c2ab586a..75247eb2f3 100644
--- a/src/rpc.js
+++ b/src/rpc.js
@@ -8,12 +8,14 @@
         if (!session) {
             session = new Sao.Session();
         }
+        var params = jQuery.extend([], args.params);
+        params.push(jQuery.extend({}, session.context, params.pop()));
 
         var ajax_prm = jQuery.ajax({
             'contentType': 'application/json',
             'data': JSON.stringify(Sao.rpc.prepareObject({
                 'method': args.method,
-                'params': [session.user_id, session.session].concat(args.params)
+                'params': [session.user_id, session.session].concat(params)
             })),
             'dataType': 'json',
             'url': '/' + (session.database || ''),
diff --git a/src/session.js b/src/session.js
index 47b7a45a56..c901d6cde5 100644
--- a/src/session.js
+++ b/src/session.js
@@ -9,7 +9,7 @@
             this.login = login;
             this.user_id = null;
             this.session = null;
-            this.context = {}; // TODO fill
+            this.context = {};
             if (!Sao.Session.current_session) {
                 Sao.Session.current_session = this;
             }
@@ -65,6 +65,16 @@
             this.user_id = null;
             this.session = null;
             return prm;
+        },
+        reload_context: function() {
+            var args = {
+                'method': 'model.res.user.get_preferences',
+                'params': [true, {}]
+            };
+            var prm = Sao.rpc(args, this);
+            return prm.then(function(context) {
+                this.context = context;
+            }.bind(this));
         }
     });