diff --git a/addons/web/static/src/js/data.js b/addons/web/static/src/js/data.js
index 58dcb2ce5af..26147b4d4e0 100644
--- a/addons/web/static/src/js/data.js
+++ b/addons/web/static/src/js/data.js
@@ -444,7 +444,7 @@ openerp.web.DataSet =  openerp.web.Widget.extend( /** @lends openerp.web.DataSet
             model: this.model,
             method: method,
             domain_id: null,
-            context_id: 1,
+            context_id: args.length - 1,
             args: args || []
         }, callback, error_callback);
     },