diff --git a/src/browser/Terminal.ts b/src/browser/Terminal.ts
index 98ed8b9a..d69e5d6f 100644
--- a/src/browser/Terminal.ts
+++ b/src/browser/Terminal.ts
@@ -583,7 +583,7 @@ export class Terminal extends CoreTerminal implements ITerminal {
     this.register(this.onScroll(() => this._mouseZoneManager!.clearAll()));
     this.linkifier.attachToDom(this.element, this._mouseZoneManager);
     this.linkifier2.attachToDom(this.screenElement, this._mouseService, this._renderService);
-    this._instantiationService.createInstance(BufferDecorationRenderer, this.screenElement);
+    this.register(this._instantiationService.createInstance(BufferDecorationRenderer, this.screenElement));
     // This event listener must be registered aftre MouseZoneManager is created
     this.register(addDisposableDomListener(this.element, 'mousedown', (e: MouseEvent) => this._selectionService!.onMouseDown(e)));