diff --git a/htdocs/install/mysql/migration/2.9.0-3.0.0.sql b/htdocs/install/mysql/migration/2.9.0-3.0.0.sql
index 085d0b1db75..001550d7f7a 100644
--- a/htdocs/install/mysql/migration/2.9.0-3.0.0.sql
+++ b/htdocs/install/mysql/migration/2.9.0-3.0.0.sql
@@ -43,7 +43,6 @@ ALTER TABLE llx_expedition MODIFY date_expedition datetime;
 ALTER TABLE llx_expedition MODIFY date_delivery datetime NULL;
 
 ALTER TABLE llx_societe ADD COLUMN canvas varchar(32) DEFAULT NULL AFTER default_lang;
-ALTER TABLE llx_societe MODIFY canvas varchar(32) DEFAULT NULL;
 
 ALTER TABLE llx_cond_reglement RENAME TO llx_c_payment_term;
 ALTER TABLE llx_expedition_methode RENAME TO llx_c_shipment_mode;