diff --git a/adminer/include/functions.inc.php b/adminer/include/functions.inc.php
index d6d9a43b..3c4ba743 100644
--- a/adminer/include/functions.inc.php
+++ b/adminer/include/functions.inc.php
@@ -70,7 +70,7 @@ function bracket_escape($idf, $back = false) {
 * @return string
 */
 function h($string) {
-	return htmlspecialchars(str_replace("\0", "", $string), ENT_QUOTES);
+	return str_replace("\0", "�", htmlspecialchars($string, ENT_QUOTES));
 }
 
 /** Escape for TD