From 28c7b2ee01df29e042ea2da7663632e3729404db Mon Sep 17 00:00:00 2001
From: isidor <inikolic@microsoft.com>
Date: Thu, 21 Sep 2017 17:00:31 +0200
Subject: [PATCH] null check

fixes #34746
---
 src/vs/workbench/browser/parts/compositePart.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/vs/workbench/browser/parts/compositePart.ts b/src/vs/workbench/browser/parts/compositePart.ts
index 31d7e3c1ee819..4c9a65800900c 100644
--- a/src/vs/workbench/browser/parts/compositePart.ts
+++ b/src/vs/workbench/browser/parts/compositePart.ts
@@ -351,7 +351,7 @@ export abstract class CompositePart<T extends Composite> extends Part {
 
 	private updateTitle(compositeId: string, compositeTitle?: string): void {
 		let compositeDescriptor = this.registry.getComposite(compositeId);
-		if (!compositeDescriptor) {
+		if (!compositeDescriptor || !this.titleLabel) {
 			return;
 		}