diff --git a/packages/backend/src/server/api/stream/channels/channel.ts b/packages/backend/src/server/api/stream/channels/channel.ts
index 5148cfd05..3cdd89a8b 100644
--- a/packages/backend/src/server/api/stream/channels/channel.ts
+++ b/packages/backend/src/server/api/stream/channels/channel.ts
@@ -16,6 +16,7 @@ export default class extends Channel {
 	constructor(id: string, connection: Channel['connection']) {
 		super(id, connection);
 		this.onNote = this.onNote.bind(this);
+		this.emitTypers = this.emitTypers.bind(this);
 	}
 
 	public async init(params: any) {