diff --git a/src/helpers/StringHelper.php b/src/helpers/StringHelper.php
index 397ec54168f..97e8ffd6824 100644
--- a/src/helpers/StringHelper.php
+++ b/src/helpers/StringHelper.php
@@ -1805,7 +1805,7 @@ public static function toHandle(string $str): string
         $handle = static::stripHtml($str);
 
         // Remove inner-word punctuation
-        $handle = preg_replace('/[\'"‘’“”\[\]\(\)\{\}:]/', '', $handle);
+        $handle = preg_replace('/[!,\'"‘’“”\[\]\(\)\{\}\/\\:]/', '', $handle);
 
         // Make it lowercase
         $handle = static::toLowerCase($handle);