1 files changed, 3 insertions, 3 deletions
diff --git a/libraries/Index.class.php b/libraries/Index.class.php
index 5128138c26..4248bb7dc6 100644
--- a/libraries/Index.class.php
+++ b/libraries/Index.class.php
@@ -111,7 +111,7 @@ class PMA_Index
         PMA_Index::_loadIndexes($table, $schema);
         if (! isset(PMA_Index::$_registry[$schema][$table][$index_name])) {
             $index = new PMA_Index;
-            if ($GLOBALS['PMA_String']->strlen($index_name)) {
+            if (/*overload*/mb_strlen($index_name)) {
                 $index->setName($index_name);
                 PMA_Index::$_registry[$schema][$table][$index->getName()] = $index;
             }
@@ -200,7 +200,7 @@ class PMA_Index
     public function addColumn($params)
     {
         if (isset($params['Column_name'])
-            && $GLOBALS['PMA_String']->strlen($params['Column_name'])
+            && /*overload*/mb_strlen($params['Column_name'])
         ) {
             $this->_columns[$params['Column_name']] = new PMA_Index_Column($params);
         }
@@ -341,7 +341,7 @@ class PMA_Index
     public function getComments()
     {
         $comments = $this->getRemarks();
-        if ($GLOBALS['PMA_String']->strlen($comments)) {
+        if (/*overload*/mb_strlen($comments)) {
             $comments .= "\n";
         }
         $comments .= $this->getComment();