diff --git a/htdocs/install/mysql/tables/llx_bom_bom.sql b/htdocs/install/mysql/tables/llx_bom_bom.sql
index 9c6e014586d..11e1ce74ffd 100644
--- a/htdocs/install/mysql/tables/llx_bom_bom.sql
+++ b/htdocs/install/mysql/tables/llx_bom_bom.sql
@@ -27,10 +27,9 @@ CREATE TABLE llx_bom_bom(
 	qty double(24,8),
 	efficiency double(8,4) DEFAULT 1,
 	date_creation datetime NOT NULL,
-	date_valid datetime NOT NULL, 
+	date_valid datetime,
 	tms timestamp, 
-	date_valid datetime, 
-	fk_user_creat integer NOT NULL, 
+	fk_user_creat integer NOT NULL,
 	fk_user_modif integer, 
 	fk_user_valid integer, 
 	import_key varchar(14),