diff --git a/app/code/Magento/Sales/Block/Adminhtml/Items/Column/Name.php b/app/code/Magento/Sales/Block/Adminhtml/Items/Column/Name.php
index 2175d83c67d07..1897b0bb66b30 100644
--- a/app/code/Magento/Sales/Block/Adminhtml/Items/Column/Name.php
+++ b/app/code/Magento/Sales/Block/Adminhtml/Items/Column/Name.php
@@ -37,7 +37,7 @@ public function truncateString(
         string $value,
         int $length = 80,
         string $etc = '...',
-        string &$remainder = '',
+        &$remainder = '',
         bool $breakWords = true
     ): string {
         $this->truncateResult = $this->filterManager->truncateFilter(