diff --git a/addons/mail/static/src/js/views/activity/activity_model.js b/addons/mail/static/src/js/views/activity/activity_model.js
index 146609bbb52..738cdb55ca1 100644
--- a/addons/mail/static/src/js/views/activity/activity_model.js
+++ b/addons/mail/static/src/js/views/activity/activity_model.js
@@ -2,6 +2,7 @@ odoo.define('mail.ActivityModel', function (require) {
 'use strict';
 
 var AbstractModel = require('web.AbstractModel');
+var session = require('web.session');
 
 var ActivityModel = AbstractModel.extend({
     //--------------------------------------------------------------------------
@@ -57,6 +58,7 @@ var ActivityModel = AbstractModel.extend({
             kwargs: {
                 res_model: this.modelName,
                 domain: this.domain,
+                context: session.user_context,
             }
         }).then(function (result) {
             self.data.data = result;
diff --git a/addons/mail/static/tests/activity_tests.js b/addons/mail/static/tests/activity_tests.js
index 9f7f7fd8808..88ec9948f4f 100644
--- a/addons/mail/static/tests/activity_tests.js
+++ b/addons/mail/static/tests/activity_tests.js
@@ -338,7 +338,7 @@ QUnit.test('activity view: activity widget', function (assert) {
     activity.destroy();
 });
 QUnit.test('activity view: no group by', function (assert) {
-    assert.expect(4);
+    assert.expect(5);
 
     var actionManager = createActionManager({
         actions: [{
@@ -353,8 +353,13 @@ QUnit.test('activity view: no group by', function (assert) {
             'task,false,search': '<search></search>',
         },
         data: this.data,
+        session: {
+            user_context: {lang: 'zz_ZZ'},
+        },
         mockRPC: function(route, args) {
             if (args.method === 'get_activity_data') {
+                assert.deepEqual(args.kwargs.context, {lang: 'zz_ZZ'},
+                    'The context should have been passed');
                 return $.when(ACTIVITY_DATA);
             }
             return this._super(route, args);