diff --git a/addons/web/static/src/js/views/calendar/calendar_view.js b/addons/web/static/src/js/views/calendar/calendar_view.js
index c770c9eb642..20d358c517c 100644
--- a/addons/web/static/src/js/views/calendar/calendar_view.js
+++ b/addons/web/static/src/js/views/calendar/calendar_view.js
@@ -125,10 +125,10 @@ var CalendarView = AbstractView.extend({
             attrs.form_view_id ? parseInt(attrs.form_view_id, 10) : false;
         if (!this.controllerParams.formViewId && params.action) {
             var formViewDescr = _.find(params.action.views, function (v) {
-                return v[1] ===  'form';
+                return v.type ===  'form';
             });
             if (formViewDescr) {
-                this.controllerParams.formViewId = formViewDescr[0];
+                this.controllerParams.formViewId = formViewDescr.viewID;
             }
         }
 
diff --git a/addons/web/static/tests/views/calendar_tests.js b/addons/web/static/tests/views/calendar_tests.js
index 9614350a9f8..54ecdbe07e7 100644
--- a/addons/web/static/tests/views/calendar_tests.js
+++ b/addons/web/static/tests/views/calendar_tests.js
@@ -2248,7 +2248,7 @@ QUnit.module('Views', {
             archs: archs,
             viewOptions: {
                 initialDate: initialDate,
-                action: {views: [[1, 'kanban'], [43, 'form']]}
+                action: {views: [{viewID: 1, type: 'kanban'}, {viewID: 43, type: 'form'}]}
             },
             mockRPC: function (route, args) {
                 if (args.method === "create") {