From 8f1dcecb5088bdaa8e0e5951e6d25d6d1c1ad1cf Mon Sep 17 00:00:00 2001
From: meganrogge <merogge@microsoft.com>
Date: Thu, 17 Mar 2022 16:23:37 -0400
Subject: [PATCH] dispose of decoration

---
 src/browser/Decorations/OverviewRulerRenderer.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/browser/Decorations/OverviewRulerRenderer.ts b/src/browser/Decorations/OverviewRulerRenderer.ts
index 24a5173b0..1998d18a7 100644
--- a/src/browser/Decorations/OverviewRulerRenderer.ts
+++ b/src/browser/Decorations/OverviewRulerRenderer.ts
@@ -113,7 +113,7 @@ export class OverviewRulerRenderer extends Disposable {
     const element = this._decorationElements.get(decoration);
     if (!element) {
       this._decorationElements.set(decoration, this._canvas);
-      decoration[0].onDispose(() => (this._queueRefresh()));
+      decoration.onDispose(() => this._queueRefresh());
     }
     this._refreshStyle(decoration, updateAnchor);
   }