diff --git a/INSTALL/MYSQL.sql b/INSTALL/MYSQL.sql
index 15b02fd22..cede82273 100644
--- a/INSTALL/MYSQL.sql
+++ b/INSTALL/MYSQL.sql
@@ -1109,7 +1109,7 @@ CREATE TABLE IF NOT EXISTS `sightings` (
   INDEX `attribute_id` (`attribute_id`),
   INDEX `event_id` (`event_id`),
   INDEX `org_id` (`org_id`),
-  INDEX `uuid` (`uuid`),
+  UNIQUE INDEX `uuid` (`uuid`),
   INDEX `source` (`source`),
   INDEX `type` (`type`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin;
diff --git a/db_schema.json b/db_schema.json
index 3c7d395c5..6b8669480 100644
--- a/db_schema.json
+++ b/db_schema.json
@@ -8115,7 +8115,7 @@
             "attribute_id": false,
             "event_id": false,
             "org_id": false,
-            "uuid": false,
+            "uuid": true,
             "source": false,
             "type": false
         },