diff --git a/app/Main/MapUpdate.php b/app/Main/MapUpdate.php
index 0a4e03c..ee8e578 100644
--- a/app/Main/MapUpdate.php
+++ b/app/Main/MapUpdate.php
@@ -388,7 +388,8 @@ class MapUpdate implements MessageComponentInterface {
                 $response = $this->deleteMapId($task, $load);
                 break;
             case 'healthCheck':
-                $response = 1;
+                $this->log('Health');
+                $response = 'OK';
                 break;
         }
 
diff --git a/app/WebSockets.php b/app/WebSockets.php
index 3972c15..c21afdb 100644
--- a/app/WebSockets.php
+++ b/app/WebSockets.php
@@ -34,7 +34,8 @@ class WebSockets {
         // Listen for the web server to make a ZeroMQ push after an ajax request
         $context = new React\ZMQ\Context($loop);
 
-        $pull = $context->getSocket(\ZMQ::SOCKET_REP);
+        //$pull = $context->getSocket(\ZMQ::SOCKET_REP);
+        $pull = $context->getSocket(\ZMQ::SOCKET_PULL);
         // Binding to 127.0.0.1 means, the only client that can connect is itself
         $pull->bind( $this->dns );