diff --git a/src/psm/Util/Install/Installer.php b/src/psm/Util/Install/Installer.php
index 010b9fbf..6ba3585c 100644
--- a/src/psm/Util/Install/Installer.php
+++ b/src/psm/Util/Install/Installer.php
@@ -239,6 +239,7 @@ class Installer
 				`server_id` int(11) unsigned NOT NULL AUTO_INCREMENT,
 				`ip` varchar(500) NOT NULL,
 				`port` int(5) NOT NULL,
+                `protocol` enum('tcp','udp') NOT NULL default 'tcp',
 				`request_method` varchar(50) NULL,
 				`label` varchar(255) NOT NULL,
 				`type` enum('ping','service','website') NOT NULL default 'service',
diff --git a/src/psm/Util/Server/Updater/StatusUpdater.php b/src/psm/Util/Server/Updater/StatusUpdater.php
index 24d37cd8..e9e56b26 100644
--- a/src/psm/Util/Server/Updater/StatusUpdater.php
+++ b/src/psm/Util/Server/Updater/StatusUpdater.php
@@ -92,7 +92,7 @@ class StatusUpdater
         $this->server = $this->db->selectRow(PSM_DB_PREFIX . 'servers', array(
             'server_id' => $server_id,
         ), array(
-            'server_id', 'ip', 'port', 'request_method', 'label',
+            'server_id', 'ip', 'port', 'protocol', 'request_method', 'label',
             'type', 'pattern', 'pattern_online', 'post_field',
             'allow_http_status', 'redirect_check', 'header_name',
             'header_value', 'status', 'active', 'warning_threshold',
@@ -220,7 +220,7 @@ class StatusUpdater
         // save response time
         $starttime = microtime(true);
 
-        $fp = @fsockopen($this->server['ip'], $this->server['port'], $errno, $this->error, $timeout);
+        $fp = @fsockopen($this->server['protocol'] . '://' . $this->server['ip'], $this->server['port'], $errno, $this->error, $timeout);
 
         $status = ($fp === false) ? false : true;
         $this->rtime = (microtime(true) - $starttime);