diff --git a/minecraft-protocol-stream.js b/minecraft-protocol-stream.js
index bf2fd05..6f92f9a 100644
--- a/minecraft-protocol-stream.js
+++ b/minecraft-protocol-stream.js
@@ -68,7 +68,7 @@ function createClient(options) {
   }
 
   function onKeepAlive(packet) {
-    client.write(0x00, {
+    client.write('keep_alive', {
       keepAliveId: packet.keepAliveId
     });
   }