diff --git a/app/Controller/ServersController.php b/app/Controller/ServersController.php
index 39383a97e..9d89153cc 100755
--- a/app/Controller/ServersController.php
+++ b/app/Controller/ServersController.php
@@ -403,7 +403,7 @@ class ServersController extends AppController {
 			if(!empty($proxy['host'])) {
 				App::uses('SyncTool', 'Tools');
 				$syncTool = new SyncTool();
-				$HttpSocket = $syncTool->setupHttpSocket('www.example.com');
+				$HttpSocket = $syncTool->setupHttpSocket();
 				$proxyResponse = $HttpSocket->get('http://www.example.com/');
 				if(empty($proxyResponse)) {
 					$proxyStatus = 1;
@@ -475,7 +475,7 @@ class ServersController extends AppController {
 		set_error_handler(function() {});
 		App::uses('SyncTool', 'Tools');
 		$syncTool = new SyncTool();
-		$HttpSocket = $syncTool->setupHttpSocket('api.github.com');
+		$HttpSocket = $syncTool->setupHttpSocket();
 		$response = $HttpSocket->get('https://api.github.com/repos/MISP/MISP/tags');
 		$tags = $response->body;
 		restore_error_handler();
diff --git a/app/Lib/Tools/SyncTool.php b/app/Lib/Tools/SyncTool.php
index d62b34cd6..c55195063 100644
--- a/app/Lib/Tools/SyncTool.php
+++ b/app/Lib/Tools/SyncTool.php
@@ -2,10 +2,10 @@
 
 class SyncTool {
 	// take a server as parameter and return a HttpSocket object using the ssl options defined in the server settings
-	public function setupHttpSocket($server) {
+	public function setupHttpSocket($server = null) {
 		$params = array();
 		App::uses('HttpSocket', 'Network/Http');
-		if(!empty($server['Server'])) {
+		if(!empty($server)) {
 			if ($server['Server']['cert_file']) $params['ssl_cafile'] = APP . "files" . DS . "certs" . DS . $server['Server']['id'] . '.pem';
 			if ($server['Server']['self_signed']) $params['ssl_allow_self_signed'] = $server['Server']['self_signed'];
 		}