diff --git a/src/vs/base/common/lifecycle.ts b/src/vs/base/common/lifecycle.ts
index 90cc39b630b..d378f886c2a 100644
--- a/src/vs/base/common/lifecycle.ts
+++ b/src/vs/base/common/lifecycle.ts
@@ -34,7 +34,7 @@ export function combinedDisposable(...disposables: IDisposable[]): IDisposable {
 }
 
 export function toDisposable(fn: () => void): IDisposable {
-	return { dispose() { fn(); } };
+	return { dispose: fn };
 }
 
 export class DisposableStore implements IDisposable {