From f0b2d2fe4d703ca0cdfe5b783bcc110c29b3c48b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=A0imon=20Brandner?= <simon.bra.ag@gmail.com>
Date: Wed, 3 Mar 2021 15:38:49 +0100
Subject: [PATCH] Null-check screenshareConstraints
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Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>
---
 src/webrtc/call.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/webrtc/call.ts b/src/webrtc/call.ts
index abc956d2f..725060d67 100644
--- a/src/webrtc/call.ts
+++ b/src/webrtc/call.ts
@@ -381,6 +381,7 @@ export class MatrixCall extends EventEmitter {
 
         try {
             const screenshareConstraints = await getScreenshareContraints(selectDesktopCapturerSource);
+            if (!screenshareConstraints) return;
             if (window.electron?.getDesktopCapturerSources) {
                 // We are using Electron
                 logger.debug("Getting screen stream using getUserMedia()...");