diff --git a/app.js b/app.js
index a7e629a..571df25 100644
--- a/app.js
+++ b/app.js
@@ -297,7 +297,7 @@ function sendMessage(e) {
   onMessageAdded(config.userName, message, config.userAvatar);
 
   let peersPublicKeys = [];
-  peersPublicKeys.push([...swarm.connections].map(peer => peer.remotePublicKey.toString('hex')));
+  peersPublicKeys.push([...swarm.connections].map(peer => peer.remotePublicKey.toString('hex')).flat(1));
   peersPublicKeys.push(swarm.keyPair.publicKey.toString('hex'));
 
   const messageObj = JSON.stringify({