diff --git a/src/mibew/libs/common/string.php b/src/mibew/libs/common/string.php
index d0238aee..e1fb6a9b 100644
--- a/src/mibew/libs/common/string.php
+++ b/src/mibew/libs/common/string.php
@@ -164,6 +164,6 @@ function sanitize_reg_escape($string)
  */
 function safe_htmlspecialchars($string)
 {
-    $string = preg_replace('/[\x00-\x08\x10-\x1f]/', '', $string);
+    $string = preg_replace('/[\x00-\x08\x0b\x0c\x0e-\x1f]/', '', $string);
     return htmlspecialchars($string, ENT_QUOTES);
 }