diff --git a/htdocs/install/mysql/migration/17.0.0-18.0.0.sql b/htdocs/install/mysql/migration/17.0.0-18.0.0.sql
index df9d6340321..9ef47ef2c65 100644
--- a/htdocs/install/mysql/migration/17.0.0-18.0.0.sql
+++ b/htdocs/install/mysql/migration/17.0.0-18.0.0.sql
@@ -457,3 +457,5 @@ insert into llx_c_invoice_subtype (entity, fk_country, code, label, active) VALU
 insert into llx_c_invoice_subtype (entity, fk_country, code, label, active) VALUES (1, 102, '11.5', 'Απόδειξη Λιανικής Πώλησης για Λογ/σμό Τρίτων', 0);
 
 ALTER TABLE llx_partnership ADD COLUMN email_partnership varchar(64) after fk_member;
+
+ALTER TABLE llx_contratdet ADD INDEX idx_contratdet_statut (statut);
diff --git a/htdocs/install/mysql/tables/llx_contratdet.key.sql b/htdocs/install/mysql/tables/llx_contratdet.key.sql
index c5cdd708eca..402c2a3dbbd 100644
--- a/htdocs/install/mysql/tables/llx_contratdet.key.sql
+++ b/htdocs/install/mysql/tables/llx_contratdet.key.sql
@@ -24,6 +24,7 @@ ALTER TABLE llx_contratdet ADD INDEX idx_contratdet_fk_product (fk_product);
 ALTER TABLE llx_contratdet ADD INDEX idx_contratdet_date_ouverture_prevue (date_ouverture_prevue);
 ALTER TABLE llx_contratdet ADD INDEX idx_contratdet_date_ouverture (date_ouverture);
 ALTER TABLE llx_contratdet ADD INDEX idx_contratdet_date_fin_validite (date_fin_validite);
+ALTER TABLE llx_contratdet ADD INDEX idx_contratdet_statut (statut);
 
 ALTER TABLE llx_contratdet ADD CONSTRAINT fk_contratdet_fk_contrat FOREIGN KEY (fk_contrat) REFERENCES llx_contrat (rowid);
 ALTER TABLE llx_contratdet ADD CONSTRAINT fk_contratdet_fk_product FOREIGN KEY (fk_product) REFERENCES llx_product (rowid);