1 files changed, 2 insertions, 2 deletions
diff --git a/libraries/sanitizing.lib.php b/libraries/sanitizing.lib.php
index 0b14de8ab4..59eeaf2558 100644
--- a/libraries/sanitizing.lib.php
+++ b/libraries/sanitizing.lib.php
@@ -32,7 +32,7 @@ function PMA_checkLink($url)
     /** @var PMA_String $pmaString */
     $pmaString = $GLOBALS['PMA_String'];
     foreach ($valid_starts as $val) {
-        if ($pmaString->substr($url, 0, $pmaString->strlen($val)) == $val) {
+        if (/*overload*/mb_substr($url, 0, /*overload*/mb_strlen($val)) == $val) {
             return true;
         }
     }
@@ -64,7 +64,7 @@ function PMA_replaceBBLink($found)
     }
 
     /* Construct url */
-    if ($GLOBALS['PMA_String']->substr($found[1], 0, 4) == 'http') {
+    if (/*overload*/mb_substr($found[1], 0, 4) == 'http') {
         $url = PMA_linkURL($found[1]);
     } else {
         $url = $found[1];