1 files changed, 1 insertions, 3 deletions
diff --git a/program/lib/Roundcube/rcube_utils.php b/program/lib/Roundcube/rcube_utils.php
index 46d53ac91..ae3e3a414 100644
--- a/program/lib/Roundcube/rcube_utils.php
+++ b/program/lib/Roundcube/rcube_utils.php
@@ -593,8 +593,6 @@ class rcube_utils
      */
     public static function https_check($port=null, $use_https=true)
     {
-        global $RCMAIL;
-
         if (!empty($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) != 'off') {
             return true;
         }
@@ -604,7 +602,7 @@ class rcube_utils
         if ($port && $_SERVER['SERVER_PORT'] == $port) {
             return true;
         }
-        if ($use_https && isset($RCMAIL) && $RCMAIL->config->get('use_https')) {
+        if ($use_https && rcube::get_instance()->config->get('use_https')) {
             return true;
         }