diff --git a/mysql/migration/2.1.0-2.2.0.sql b/mysql/migration/2.1.0-2.2.0.sql
index 94302c4a075..7a657d6f682 100644
--- a/mysql/migration/2.1.0-2.2.0.sql
+++ b/mysql/migration/2.1.0-2.2.0.sql
@@ -876,3 +876,7 @@ ALTER TABLE llx_commande_fournisseurdet MODIFY fk_commande integer NOT NULL;
 ALTER TABLE llx_product ADD COLUMN partnumber varchar(32) after gencode;
 
 ALTER TABLE llx_element_contact ADD INDEX idx_element_contact_fk_socpeople (fk_socpeople);
+
+-- Supprimme orphelins pour permettre montée de la clé
+-- V4 DELETE llx_fichinter FROM llx_fichinter LEFT JOIN llx_societe ON llx_fichinter.fk_soc = llx_societe.rowid WHERE llx_societe.rowid IS NULL;
+