diff --git a/system/src/Grav/Common/Helpers/Truncator.php b/system/src/Grav/Common/Helpers/Truncator.php
index b2a19dbc2..474aae1bc 100644
--- a/system/src/Grav/Common/Helpers/Truncator.php
+++ b/system/src/Grav/Common/Helpers/Truncator.php
@@ -113,7 +113,7 @@ class Truncator {
             if ($letters->key() >= $limit) {
 
                 $currentText = $letters->currentTextPosition();
-                $currentText[0]->nodeValue = substr($currentText[0]->nodeValue, 0, $currentText[1] + 1);
+                $currentText[0]->nodeValue = mb_substr($currentText[0]->nodeValue, 0, $currentText[1] + 1);
                 self::removeProceedingNodes($currentText[0], $body);
 
                 if (!empty($ellipsis)) {