diff --git a/json/index.json b/json/index.json
index bd8969e6..6751de58 100644
--- a/json/index.json
+++ b/json/index.json
@@ -118,8 +118,8 @@
       "type": 3,
       "api": "csp_NG",
       "searchable": 1,
-      "filterable": 0
-
+      "filterable": 0,
+      "ext": {}
     },
 
     {