diff --git a/install/upgrades/3.5.0.3.sql b/install/upgrades/3.5.0.3.sql
index e728c3c6..93d06e46 100644
--- a/install/upgrades/3.5.0.3.sql
+++ b/install/upgrades/3.5.0.3.sql
@@ -1,3 +1 @@
-alter table sub_domaines drop index compte;
-alter table sub_domaines add UNIQUE (compte,domaine,sub,type,valeur,web_action);
-
+DROP INDEX IF EXISTS compte on `sub_domaines`;