diff --git a/php/auth.php b/php/auth.php
index 56d735e6..90b9061c 100644
--- a/php/auth.php
+++ b/php/auth.php
@@ -4,10 +4,10 @@ $ERRORLOG = getenv('PHP_ERROR_LOG');
 if (empty($ERRORLOG)) {
     $ERRORLOG = '/var/log/lighttpd/error.log';
 }
-date_default_timezone_set('UTC');
+$date = exec("date +'%Y-%m-%d %H:%M:%S'");
 
 function pi_log($message) {
-    error_log(date('Y-m-d H:i:s') . ': ' . $message . "\n", 3, $GLOBALS['ERRORLOG']);
+    error_log($date . ': ' . $message . "\n", 3, $GLOBALS['ERRORLOG']);
 }
 
 function log_and_die($message) {