From 3872c5f0992cca6a1ff6e37dc86d6112b72ed0fb Mon Sep 17 00:00:00 2001
From: Till <2353100+S7evinK@users.noreply.github.com>
Date: Mon, 19 Dec 2022 11:54:20 +0100
Subject: [PATCH] Update src/sliding-sync.ts

Co-authored-by: Michael Telatynski <7t3chguy@gmail.com>
---
 src/sliding-sync.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sliding-sync.ts b/src/sliding-sync.ts
index 7287489d3..3a2f67391 100644
--- a/src/sliding-sync.ts
+++ b/src/sliding-sync.ts
@@ -397,7 +397,7 @@ export class SlidingSync extends TypedEventEmitter<SlidingSyncEvent, SlidingSync
      * @param sub - The subscription information.
      */
     public addCustomSubscription(name: string, sub: MSC3575RoomSubscription): void {
-        if (this.customSubscriptions.get(name) !== undefined) {
+        if (this.customSubscriptions.has(name)) {
             logger.warn(`addCustomSubscription: ${name} already exists as a custom subscription, ignoring.`);
             return;
         }