diff --git a/logging/MozLogger.php b/logging/MozLogger.php
index fcc8be7..9d17e38 100644
--- a/logging/MozLogger.php
+++ b/logging/MozLogger.php
@@ -1,52 +1,57 @@
 <?php
 
 class MozLogger extends Phobject {
 
   public static function log($message, $type='Unspecified', $detail=array()) {
 
     // Create a master object based on detail and defaults
     $mozlog = self::merge_arrays(
       $detail,
       array(
         'Type' => $type,
         'Fields' => array('msg' => $message)
       )
     );
     $json = json_encode($mozlog, JSON_FORCE_OBJECT);
 
     // Write to error log
     error_log("$json\n", 0);
 
     // Return the $message so it can be used in exception calls
     return $message;
   }
 
   public static function merge_arrays($detailArray, $messageArray) {
+    $host = str_replace(
+      array('http:', 'https:', '/'),
+      '',
+      PhabricatorEnv::getEnvConfig('phabricator.base-uri')
+    );
     $defaults = array(
       'Timestamp' => time(),
       'Type' => '',
       'Logger' => 'MozPhab',
-      'Hostname' => 'phabricator.services.mozilla.com',
+      'Hostname' => $host,
       'EnvVersion' => '1.0',
       'Severity' => '3',
       'Pid' => '0',
       'Fields' => array(
         'agent' => '',
         'errno' => '0',
         'method' => 'GET',
         'msg' => 'Message not provided',
         'path' => '',
         't' => '',
         'uid' => ''
       )
     );
 
     $merged = array_replace_recursive(
       $defaults,
       $detailArray,
       $messageArray
     );
 
     return $merged;
   }
 }