diff --git a/src/components/ha-dialog.ts b/src/components/ha-dialog.ts
index 76007a3cc1..b7aff993c0 100644
--- a/src/components/ha-dialog.ts
+++ b/src/components/ha-dialog.ts
@@ -45,6 +45,7 @@ export class HaDialog extends DialogBase {
   }
 
   disconnectedCallback(): void {
+    super.disconnectedCallback();
     this.contentElement.removeEventListener("scroll", this._onScroll);
   }