From 2ceed006aab95fed4d9169ef6dc83f339500e16a Mon Sep 17 00:00:00 2001
From: David Baker <dbkr@users.noreply.github.com>
Date: Mon, 13 Dec 2021 14:59:36 +0000
Subject: [PATCH] Fix CallPreview `room is null` (#7265) (#7348)

Co-authored-by: Michael Telatynski <7t3chguy@gmail.com>
---
 src/components/views/voip/CallPreview.tsx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/components/views/voip/CallPreview.tsx b/src/components/views/voip/CallPreview.tsx
index 1c667e4229..79a7d8c0e1 100644
--- a/src/components/views/voip/CallPreview.tsx
+++ b/src/components/views/voip/CallPreview.tsx
@@ -133,7 +133,9 @@ export default class CallPreview extends React.Component<IProps, IState> {
         dis.unregister(this.dispatcherRef);
         SettingsStore.unwatchSetting(this.settingsWatcherRef);
         const room = MatrixClientPeg.get().getRoom(this.state.roomId);
-        WidgetLayoutStore.instance.off(WidgetLayoutStore.emissionForRoom(room), this.updateCalls);
+        if (room) {
+            WidgetLayoutStore.instance.off(WidgetLayoutStore.emissionForRoom(room), this.updateCalls);
+        }
     }
 
     private onRoomViewStoreUpdate = () => {