diff --git a/htdocs/install/mysql/migration/10.0.0-11.0.0.sql b/htdocs/install/mysql/migration/10.0.0-11.0.0.sql
index 6d9f7f7c97f..ddf16cc3d56 100644
--- a/htdocs/install/mysql/migration/10.0.0-11.0.0.sql
+++ b/htdocs/install/mysql/migration/10.0.0-11.0.0.sql
@@ -49,6 +49,8 @@ UPDATE llx_c_units SET label = 'SurfaceUnitm2' WHERE code IN ('M2');
 
 -- For v11
 
+ALTER TABLE llx_expeditiondet ADD INDEX idx_expeditiondet_fk_origin_line (fk_origin_line);
+
 ALTER TABLE llx_rights_def ADD COLUMN module_position INTEGER NOT NULL DEFAULT 0;
 ALTER TABLE llx_rights_def ADD COLUMN family_position INTEGER NOT NULL DEFAULT 0;