diff --git a/web/init/mastostart_solo_struttura.sql b/web/init/mastostart_solo_struttura.sql
index ed588ec..32b1af9 100644
--- a/web/init/mastostart_solo_struttura.sql
+++ b/web/init/mastostart_solo_struttura.sql
@@ -272,7 +272,8 @@ CREATE TABLE `Instances` (
   `RPos` int(10) unsigned DEFAULT NULL,
   PRIMARY KEY (`ID`),
   KEY `LocalityID` (`LocalityID`) USING BTREE,
-  KEY `GuestID` (`GuestID`) USING BTREE
+  KEY `GuestID` (`GuestID`) USING BTREE,
+  KEY `URI` (`URI`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
 /*!40101 SET character_set_client = @saved_cs_client */;
 
@@ -598,4 +599,4 @@ CREATE TABLE `ZStats` (
 /*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
 /*M!100616 SET NOTE_VERBOSITY=@OLD_NOTE_VERBOSITY */;
 
--- Dump completed on 2024-08-23 20:42:40
+-- Dump completed on 2024-08-25  1:18:51