diff --git a/db/update16.5.sql b/db/update16.5.sql
index 960ed4667c..0d12c5d159 100644
--- a/db/update16.5.sql
+++ b/db/update16.5.sql
@@ -43,3 +43,5 @@ ALTER TABLE `zt_opportunity` MODIFY COLUMN `prevention` mediumtext NOT NULL;
 ALTER TABLE `zt_opportunity` MODIFY COLUMN `resolution` mediumtext NOT NULL;
 ALTER TABLE `zt_trainplan` MODIFY COLUMN `summary` mediumtext NOT NULL;
 ALTER TABLE `zt_gapanalysis` MODIFY COLUMN `analysis` mediumtext NOT NULL;
+
+ALTER TABLE `zt_file` MODIFY COLUMN `title` varchar(255) NOT NULL;
diff --git a/db/zentao.sql b/db/zentao.sql
index ee1094e198..29674baabc 100644
--- a/db/zentao.sql
+++ b/db/zentao.sql
@@ -570,7 +570,7 @@ CREATE TABLE IF NOT EXISTS `zt_extension` (
 CREATE TABLE IF NOT EXISTS `zt_file` (
   `id` mediumint(8) unsigned NOT NULL auto_increment,
   `pathname` char(50) NOT NULL,
-  `title` char(255) NOT NULL,
+  `title` varchar(255) NOT NULL,
   `extension` char(30) NOT NULL,
   `size` int(10) unsigned NOT NULL default '0',
   `objectType` char(30) NOT NULL,