diff --git a/addons/web_kanban/static/src/js/kanban.js b/addons/web_kanban/static/src/js/kanban.js
index 867bd58a1fb..f9c125079ce 100644
--- a/addons/web_kanban/static/src/js/kanban.js
+++ b/addons/web_kanban/static/src/js/kanban.js
@@ -789,6 +789,7 @@ instance.web_kanban.KanbanRecord = instance.web.Widget.extend({
         this.init_content();
     },
     init_content: function() {
+        var self = this;
         self.sub_widgets = [];
         this.$("[data-field_id]").each(function() {
             self.add_widget($(this));