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..d45b449e94b 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
@@ -302,7 +302,7 @@ 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`;
+-- DROP TABLE llx_projet_task_comment;
 CREATE TABLE IF NOT EXISTS llx_comment (
     rowid integer AUTO_INCREMENT PRIMARY KEY,
     datec datetime  DEFAULT NULL,