diff --git a/images/SipThorNetwork.php b/images/SipThorNetwork.php
index cf7fc0d..d38b143 100644
--- a/images/SipThorNetwork.php
+++ b/images/SipThorNetwork.php
@@ -1,23 +1,26 @@
-<?
+<?php
 include("/etc/cdrtool/global.inc");
 page_open(
-    array("sess" => "CDRTool_Session",
-          "auth" => "CDRTool_Auth",
-          "perm" => "CDRTool_Perm"
-          ));
+    array(
+        "sess" => "CDRTool_Session",
+        "auth" => "CDRTool_Auth",
+        "perm" => "CDRTool_Perm"
+    )
+);
 
 require("sip_statistics.php");
 $perm->check("statistics");
 
 global $CDRTool;
-if (strlen($CDRTool['filter']['domain'])) $allowedDomains=explode(' ',$CDRTool['filter']['domain']);
+if (strlen($CDRTool['filter']['domain'])) {
+    $allowedDomains = explode(' ', $CDRTool['filter']['domain']);
+}
 
-$SipThorNetworkImage = new SipThorNetworkImage($_REQUEST['engine'],$allowedDomains);
+$SipThorNetworkImage = new SipThorNetworkImage($_REQUEST['engine'], $allowedDomains);
 $img = $SipThorNetworkImage->buildImage();
 
 header("Content-type: image/png");
 imagepng($img);
 imagedestroy($img);
 
 page_close();
-?>
\ No newline at end of file