diff --git a/.schemas/video.json b/.schemas/video.json
index a75ce0fa0..d45a52d36 100644
--- a/.schemas/video.json
+++ b/.schemas/video.json
@@ -144,6 +144,7 @@
     "title",
     "videos"
   ],
+  "additionalProperties": false,
   "title":"Video",
   "type":"object"
 }