diff --git a/.schemas/category.json b/.schemas/category.json
index 0e8068413..9b48e8f85 100644
--- a/.schemas/category.json
+++ b/.schemas/category.json
@@ -18,6 +18,7 @@
   "required":[
     "title"
   ],
+  "additionalProperties": false,
   "title":"Video",
   "type":"object"
 }