diff --git a/htdocs/install/mysql/migration/16.0.0-17.0.0.sql b/htdocs/install/mysql/migration/16.0.0-17.0.0.sql
index 3a9d02c8583..228fde598bb 100644
--- a/htdocs/install/mysql/migration/16.0.0-17.0.0.sql
+++ b/htdocs/install/mysql/migration/16.0.0-17.0.0.sql
@@ -93,8 +93,6 @@ UPDATE llx_holiday SET fk_user_approve = fk_user_valid WHERE statut = 3 AND fk_u
 
 ALTER TABLE llx_inventory ADD COLUMN categories_product VARCHAR(255) DEFAULT NULL AFTER fk_product;
 
-ALTER TABLE llx_ticket ADD COLUMN ip varchar(250);
-
 ALTER TABLE llx_societe ADD last_main_doc VARCHAR(255) NULL AFTER model_pdf;
 
 ALTER TABLE llx_emailcollector_emailcollector MODIFY COLUMN lastresult text;
@@ -122,12 +120,12 @@ ALTER TABLE llx_product ADD COLUMN sell_or_eat_by_mandatory tinyint DEFAULT 0 NO
 
 ALTER TABLE llx_recruitment_recruitmentcandidature ADD email_date datetime after email_msgid;
 
-ALTER TABLE llx_societe ADD last_main_doc VARCHAR(255) NULL AFTER model_pdf;
-
 ALTER TABLE llx_ticket ADD COLUMN ip varchar(250);
 
 ALTER TABLE llx_ticket ADD email_date datetime after email_msgid;
 
+ALTER TABLE llx_ticket MODIFY COLUMN message mediumtext;
+
 ALTER TABLE llx_cronjob ADD COLUMN pid integer;
 
 INSERT INTO llx_c_hrm_public_holiday (code, entity, fk_country, dayrule, year, month, day, active) VALUES('BE-VICTORYDAY',  0, 2, '', 0,  5,  8, 1);
diff --git a/htdocs/install/mysql/tables/llx_ticket-ticket.sql b/htdocs/install/mysql/tables/llx_ticket-ticket.sql
index 278d62894bc..c651eaccca2 100644
--- a/htdocs/install/mysql/tables/llx_ticket-ticket.sql
+++ b/htdocs/install/mysql/tables/llx_ticket-ticket.sql
@@ -26,7 +26,7 @@ CREATE TABLE llx_ticket
 	fk_user_create	integer,
 	fk_user_assign	integer,
 	subject	varchar(255),
-	message	text,
+	message	mediumtext,
 	fk_statut integer,
 	resolution integer,
 	progress integer DEFAULT 0,				-- progression 0 - 100 or null