diff --git a/db/update16.5.sql b/db/update16.5.sql
index ae5b49e6c4..afb1d27fd1 100644
--- a/db/update16.5.sql
+++ b/db/update16.5.sql
@@ -43,6 +43,7 @@ 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_bug` MODIFY COLUMN `entry` text NOT NULL;
 
 ALTER TABLE `zt_file` MODIFY COLUMN `title` varchar(255) NOT NULL;
 
diff --git a/db/zentao.sql b/db/zentao.sql
index 0b680fb3e3..37d7525b6f 100644
--- a/db/zentao.sql
+++ b/db/zentao.sql
@@ -206,7 +206,7 @@ CREATE TABLE IF NOT EXISTS `zt_bug` (
   `result` mediumint(8) unsigned NOT NULL,
   `repo` mediumint(8) unsigned NOT NULL,
   `mr` mediumint(8) unsigned NOT NULL,
-  `entry` varchar(255) NOT NULL,
+  `entry` text NOT NULL,
   `lines` varchar(10) NOT NULL,
   `v1` varchar(40) NOT NULL,
   `v2` varchar(40) NOT NULL,