diff --git a/addons/web/static/src/js/data.js b/addons/web/static/src/js/data.js
index 30a8b9862fc..0bc2848fe0b 100644
--- a/addons/web/static/src/js/data.js
+++ b/addons/web/static/src/js/data.js
@@ -557,8 +557,7 @@ instance.web.DataSet =  instance.web.CallbackEnabled.extend({
         return this._model.call('name_create', [name], {context: this._model.context()});
     },
     exec_workflow: function (id, signal) {
-        return this._model.exec_workflow(id, signal)
-            .pipe(function (result) { return { result: result }; });
+        return this._model.exec_workflow(id, signal);
     },
     get_context: function(request_context) {
         return this._model.context(request_context);