diff --git a/src/core/controller/controller.drawer.js b/src/core/controller/controller.drawer.js
index b808699c2..c288d019f 100644
--- a/src/core/controller/controller.drawer.js
+++ b/src/core/controller/controller.drawer.js
@@ -106,9 +106,7 @@ export default class DrawerController extends Controller {
             }]
         });
         this.floatManager[name] = popover;
-        (function (key) {
-            popover.on(BI.Drawer.EVENT_CLOSE, () => this.close(key));
-        })(name);
+        popover.on(BI.Drawer.EVENT_CLOSE, () => this.close(name));
         BI.createWidget({
             type: "bi.absolute",
             element: options.container || this.options.render,