diff --git a/src/rpc/signaling-exchange.ts b/src/rpc/signaling-exchange.ts
index bdee03de8..533807af2 100644
--- a/src/rpc/signaling-exchange.ts
+++ b/src/rpc/signaling-exchange.ts
@@ -70,8 +70,9 @@ export class SignalingExchange {
      * should be done nor should any errors be emitted.
      */
     this.clientChannel.ready
-      .then(() => {
+      .then(async () => {
         this.exchangeDone = true;
+        await this.sendDone();
       })
       .catch(console.error); // eslint-disable-line no-console