diff --git a/module/api/ui/createstruct.html.php b/module/api/ui/createstruct.html.php
index 7ddf7c18eb..9fce4e50c9 100644
--- a/module/api/ui/createstruct.html.php
+++ b/module/api/ui/createstruct.html.php
@@ -128,7 +128,7 @@ formPanel
             )
         )
     ),
-    formHidden('attribute'),
+    formHidden('attribute', ''),
     formGroup
     (
         set::label($lang->api->desc),