diff --git a/htdocs/install/mysql/tables/llx_mrp_mo.key.sql b/htdocs/install/mysql/tables/llx_mrp_mo.key.sql
index 8cda73f9450..5c218763ff6 100644
--- a/htdocs/install/mysql/tables/llx_mrp_mo.key.sql
+++ b/htdocs/install/mysql/tables/llx_mrp_mo.key.sql
@@ -18,7 +18,7 @@
 ALTER TABLE llx_mrp_mo ADD INDEX idx_mrp_mo_ref (ref);
 ALTER TABLE llx_mrp_mo ADD INDEX idx_mrp_mo_entity (entity);
 ALTER TABLE llx_mrp_mo ADD INDEX idx_mrp_mo_fk_soc (fk_soc);
-ALTER TABLE llx_mrp_mo ADD CONSTRAINT llx_mrp_mo_fk_user_creat FOREIGN KEY (fk_user_creat) REFERENCES user(rowid);
+ALTER TABLE llx_mrp_mo ADD CONSTRAINT fk_mrp_mo_fk_user_creat FOREIGN KEY (fk_user_creat) REFERENCES llx_user(rowid);
 ALTER TABLE llx_mrp_mo ADD INDEX idx_mrp_mo_status (status);
 ALTER TABLE llx_mrp_mo ADD INDEX idx_mrp_mo_fk_product (fk_product);
 ALTER TABLE llx_mrp_mo ADD INDEX idx_mrp_mo_date_start_planned (date_start_planned);