diff --git a/blocks/rss_client/db/mysql.php b/blocks/rss_client/db/mysql.php
index 787a71a3005..25b02545d77 100644
--- a/blocks/rss_client/db/mysql.php
+++ b/blocks/rss_client/db/mysql.php
@@ -12,8 +12,8 @@ function rss_client_upgrade($oldversion) {
 
     if ($oldversion < 2005111400) {
         // title and description should be TEXT as we don't have control over their length.
-        table_column('block_rss_client','title','title','text');
-        table_column('block_rss_client','description','description','text');
+        table_column('block_rss_client','title','title','text',10,'unsigned','');
+        table_column('block_rss_client','description','description','text',10,'unsigned','');
     }
 
     return true;