diff --git a/htdocs/install/mysql/migration/13.0.0-14.0.0.sql b/htdocs/install/mysql/migration/13.0.0-14.0.0.sql
index f908d57a5af..e96b20d90f4 100644
--- a/htdocs/install/mysql/migration/13.0.0-14.0.0.sql
+++ b/htdocs/install/mysql/migration/13.0.0-14.0.0.sql
@@ -310,5 +310,5 @@ ALTER TABLE llx_societe_perentity ADD INDEX idx_societe_perentity_fk_soc (fk_soc
 ALTER TABLE llx_societe_perentity ADD UNIQUE INDEX uk_societe_perentity (fk_soc, entity);
 
 ALTER TABLE llx_c_ticket_category ADD COLUMN public integer DEFAULT 0;
-
+ALTER TABLE llc_c_ticket_category MODIFY COLUMN pos	integer DEFAULT 0 NOT NULL;
 
diff --git a/htdocs/install/mysql/tables/llx_c_ticket_category.sql b/htdocs/install/mysql/tables/llx_c_ticket_category.sql
index c42c3f029d4..317be25e142 100644
--- a/htdocs/install/mysql/tables/llx_c_ticket_category.sql
+++ b/htdocs/install/mysql/tables/llx_c_ticket_category.sql
@@ -21,7 +21,7 @@ create table llx_c_ticket_category
   entity		 integer DEFAULT 1,
   code			 varchar(32) NOT NULL,
   label			 varchar(128) NOT NULL,
-  pos			 varchar(32) NOT NULL,
+  pos			 integer DEFAULT 0 NOT NULL,
   public         integer DEFAULT 0,
   use_default	 integer DEFAULT 1,
   active		 integer DEFAULT 1,