diff --git a/src/browser/ScreenDprMonitor.ts b/src/browser/ScreenDprMonitor.ts
index ec8c6d8a5d..27ae231f0b 100644
--- a/src/browser/ScreenDprMonitor.ts
+++ b/src/browser/ScreenDprMonitor.ts
@@ -44,12 +44,12 @@ export class ScreenDprMonitor extends Disposable {
   }
 
   private _updateDpr(): void {
-    if (!this._resolutionMediaMatchList || !this._outerListener) {
+    if (!this._outerListener) {
       return;
     }
 
     // Clear listeners for old DPR
-    this._resolutionMediaMatchList.removeListener(this._outerListener);
+    this._resolutionMediaMatchList?.removeListener(this._outerListener);
 
     // Add listeners for new DPR
     this._currentDevicePixelRatio = window.devicePixelRatio;