diff --git a/packages/core/src/common/disposable.ts b/packages/core/src/common/disposable.ts
index a9726ea6e5cf8..5be0a862af13d 100644
--- a/packages/core/src/common/disposable.ts
+++ b/packages/core/src/common/disposable.ts
@@ -93,6 +93,7 @@ export class DisposableCollection implements Disposable {
         });
         disposable.dispose = () => {
             toRemove.dispose();
+            disposable.dispose = originalDispose;
             originalDispose();
         };
         return toRemove;