diff --git a/lib/pool.js b/lib/pool.js
index b04d19b..922f32b 100644
--- a/lib/pool.js
+++ b/lib/pool.js
@@ -699,7 +699,9 @@ function handleMinerData(method, params, ip, portData, sendReply, pushMessage) {
                 sendReply('Unauthenticated');
                 return;
             }
-            sendReply('KEEPALIVED');
+            sendReply(null, {
+                status: 'KEEPALIVED'
+            });
             break;
     }
 }