diff --git a/data/web/inc/init_db.inc.php b/data/web/inc/init_db.inc.php
index 01f05105..16f3fdf2 100644
--- a/data/web/inc/init_db.inc.php
+++ b/data/web/inc/init_db.inc.php
@@ -248,8 +248,8 @@ function init_db_schema() {
           "active" => "TINYINT(1) NOT NULL DEFAULT '1'"
         ),
         "keys" => array(
-          "primary" => array(
-            "" => array("username", "domain")
+          "key" => array(
+            "username" => array("username")
           )
         ),
         "attr" => "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 ROW_FORMAT=DYNAMIC"