diff --git a/src/libs/tranbox.js b/src/libs/tranbox.js
index 0f505af..30c35cd 100644
--- a/src/libs/tranbox.js
+++ b/src/libs/tranbox.js
@@ -22,7 +22,7 @@ export class TransboxManager {
 
   isEnabled() {
     return (
-      !!this.#container && document.body.parentElement.contains(this.#container)
+      !!this.#container && document.body.contains(this.#container)
     );
   }