diff --git a/CHANGELOG b/CHANGELOG
index 9e138199..a0e4d362 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -52,6 +52,8 @@ WHERE 1;
 /* Remove redundant table */
 DROP TABLE `sessions2`;
 
+/* Add sort order feature to questionnaire sample table */
+ALTER TABLE `questionnaire_sample` ADD `sort_order` INT( 11 ) NOT NULL DEFAULT '0';
 
 queXS 1.13.1 - Changes since 1.13.0
 
diff --git a/database/quexs.sql b/database/quexs.sql
index b5995636..166480a5 100644
--- a/database/quexs.sql
+++ b/database/quexs.sql
@@ -1263,6 +1263,7 @@ CREATE TABLE `questionnaire_sample` (
   `random_select` tinyint(1) NOT NULL DEFAULT '0',
   `answering_machine_messages` int(11) NOT NULL DEFAULT '1',
   `allow_new` tinyint(1) NOT NULL DEFAULT '1',
+  `sort_order` int(11) NOT NULL DEFAULT '0',
   PRIMARY KEY (`questionnaire_id`,`sample_import_id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;