diff --git a/htdocs/install/mysql/migration/6.0.0-7.0.0.sql b/htdocs/install/mysql/migration/6.0.0-7.0.0.sql
index fb9e5f8749f..5d87f42faed 100644
--- a/htdocs/install/mysql/migration/6.0.0-7.0.0.sql
+++ b/htdocs/install/mysql/migration/6.0.0-7.0.0.sql
@@ -253,7 +253,7 @@ CREATE TABLE llx_expensereport_rules (
     code_expense_rules_type varchar(50) NOT NULL,
     is_for_all tinyint DEFAULT '0',
     entity integer DEFAULT 1
-);
+)ENGINE=innodb;
 
 ALTER TABLE llx_expensereport_det ADD COLUMN rule_warning_message text;
 ALTER TABLE llx_expensereport_det ADD COLUMN fk_c_exp_tax_cat integer;
@@ -302,8 +302,9 @@ insert into llx_c_action_trigger (code,label,description,elementtype,rang) value
 insert into llx_c_action_trigger (code,label,description,elementtype,rang) values ('PROPOSAL_SUPPLIER_CLOSE_SIGNED','Price request closed signed','Executed when a customer proposal is closed signed','proposal_supplier',10);
 insert into llx_c_action_trigger (code,label,description,elementtype,rang) values ('PROPOSAL_SUPPLIER_CLOSE_REFUSED','Price request closed refused','Executed when a customer proposal is closed refused','proposal_supplier',10);
 
-DROP TABLE `llx_projet_task_comment`;
-CREATE TABLE IF NOT EXISTS llx_comment (
+DROP TABLE llx_projet_task_comment;
+
+CREATE TABLE llx_comment (
     rowid integer AUTO_INCREMENT PRIMARY KEY,
     datec datetime  DEFAULT NULL,
     tms timestamp,