diff --git a/lib/peer_client.js b/lib/peer_client.js
index 71b4632..3df31dc 100644
--- a/lib/peer_client.js
+++ b/lib/peer_client.js
@@ -197,7 +197,7 @@ PeerClient.prototype.generateBackoff = function(attempt) {
   }
 
   const random = parseInt(Math.random() * this.reconnect.maxRandomOffset);
-  const backoff = (Math.pow(2, attempt) * this.reconnect.min);
+  const backoff = (2 ** attempt * this.reconnect.min);
   if (backoff > this.reconnect.max) {
     return this.reconnect.max + random;
   } else {