diff --git a/packages/backend/src/server/api/stream/index.ts b/packages/backend/src/server/api/stream/index.ts
index a6f9145952..fee56e3668 100644
--- a/packages/backend/src/server/api/stream/index.ts
+++ b/packages/backend/src/server/api/stream/index.ts
@@ -246,7 +246,7 @@ export default class Connection {
 
 		const ch: Channel = channelService.create(id, this);
 		this.channels.push(ch);
-		ch.init(params);
+		ch.init(params ?? {});
 
 		if (pong) {
 			this.sendMessageToWs('connected', {