diff --git a/packages/apps/docs/src/pages/_app.tsx b/packages/apps/docs/src/pages/_app.tsx
index d520dac347..d2203278e3 100644
--- a/packages/apps/docs/src/pages/_app.tsx
+++ b/packages/apps/docs/src/pages/_app.tsx
@@ -54,7 +54,10 @@ export const MyApp = ({
 
   const handleBeforeUnload = (event: BeforeUnloadEvent): void => {
     // eslint-disable-next-line @typescript-eslint/no-explicit-any
-    const { href } = (event as any).originalTarget.activeElement;
+    const { href } = (event as any).originalTarget?.activeElement || {};
+
+    if (!href) return;
+
     onExternalButtonClick(href);
   };