diff --git a/phpBB/phpbb/db/migration/tool/permission.php b/phpBB/phpbb/db/migration/tool/permission.php
index 2daed2724a..1a91127d2d 100644
--- a/phpBB/phpbb/db/migration/tool/permission.php
+++ b/phpBB/phpbb/db/migration/tool/permission.php
@@ -538,7 +538,7 @@ class permission implements \phpbb\db\migration\tool\tool_interface
 
 				$sql = 'DELETE FROM ' . ACL_ROLES_DATA_TABLE . '
 					WHERE ' . $this->db->sql_in_set('auth_option_id', $to_remove) . '
-						AND role_id = ' . $this->db->sql_escape($role_id);
+						AND role_id = ' . (int) $role_id;
 				$this->db->sql_query($sql);
 			break;