diff --git a/bricks/rtc.js b/bricks/rtc.js
index f30bc48..a1b7b81 100644
--- a/bricks/rtc.js
+++ b/bricks/rtc.js
@@ -375,7 +375,7 @@ bricks.RTCP2PConnect = class {
 			await this.opts.on_dc_close(dc);
 		}
 	}
-	createDataChannel(peer){
+	async createDataChannel(peer){
 		this.peers[peer.id].dc = pc.createDataChannel('chat', {ordered:true});
 		var dc = this.peers[peer.id].dc;
 		await this.dc_created(peer, this.peers[peer.id].dc);