diff --git a/packages/backend/src/server/api/stream/channel.ts b/packages/backend/src/server/api/stream/channel.ts
index a8983b740..d41f1475f 100644
--- a/packages/backend/src/server/api/stream/channel.ts
+++ b/packages/backend/src/server/api/stream/channel.ts
@@ -97,7 +97,7 @@ export default abstract class Channel {
 		});
 	}
 
-	public abstract init(params: any): void;
+	public abstract init(params: any): Promise<void> | void;
 
 	public dispose?(): void;