diff --git a/src/lib/webrtc/broadcastSource.ts b/src/lib/webrtc/broadcastSource.ts
index 163b2cd..5a15131 100644
--- a/src/lib/webrtc/broadcastSource.ts
+++ b/src/lib/webrtc/broadcastSource.ts
@@ -16,5 +16,5 @@ export function getBroadcastSource(): HTMLCanvasElement | null {
 
 export function onBroadcastSourceChange(cb: (c: HTMLCanvasElement | null) => void) {
   listeners.add(cb);
-  return () => listeners.delete(cb);
+  return () => { listeners.delete(cb); };
 }