diff --git a/app/src/layout/Wnd.ts b/app/src/layout/Wnd.ts
index 0fb155d40..d42fbc2de 100644
--- a/app/src/layout/Wnd.ts
+++ b/app/src/layout/Wnd.ts
@@ -717,6 +717,9 @@ export class Wnd {
         let openTime: string;
         let removeCount = 0;
         this.children.forEach((item, index) => {
+            if (!item.headElement) {
+                return;
+            }
             if (item.headElement.classList.contains("item--pin") || item.headElement.classList.contains("item--focus")) {
                 return;
             }