diff --git a/phpBB/install/install_install.php b/phpBB/install/install_install.php
index 9665957274..4d52ca7a9c 100755
--- a/phpBB/install/install_install.php
+++ b/phpBB/install/install_install.php
@@ -1156,7 +1156,7 @@ class install_install extends module
 				WHERE config_name = 'newest_username'",
 
 			'UPDATE ' . $table_prefix . "users
-				SET username = '" . $db->sql_escape($admin_name) . "', user_password='" . $db->sql_escape(md5($admin_pass1)) . "', user_ip = '" . $db->sql_escape($user_ip) . "', user_lang = '" . $db->sql_escape($default_lang) . "', user_email='" . $db->sql_escape($board_email1) . "', user_dateformat='" . $db->sql_escape($lang['default_dateformat']) . "', user_email_hash = '" . (int) (crc32(strtolower($board_email1)) . strlen($board_email1)) . "'
+				SET username = '" . $db->sql_escape($admin_name) . "', user_password='" . $db->sql_escape(md5($admin_pass1)) . "', user_ip = '" . $db->sql_escape($user_ip) . "', user_lang = '" . $db->sql_escape($default_lang) . "', user_email='" . $db->sql_escape($board_email1) . "', user_dateformat='" . $db->sql_escape($lang['default_dateformat']) . "', user_email_hash = '" . (int) (crc32(strtolower($board_email1)) . strlen($board_email1)) . "', username_clean = '" . $db->sql_escape(utf8_clean_string($admin_name)) . "'
 				WHERE username = 'Admin'",
 
 			'UPDATE ' . $table_prefix . "moderator_cache