diff --git a/schema/defs-linux.json b/schema/defs-linux.json
index 4d9620a4a..403c96072 100644
--- a/schema/defs-linux.json
+++ b/schema/defs-linux.json
@@ -151,7 +151,7 @@
             }
         },
         "weight": {
-            "type": "integer"
+            "$ref": "defs.json#/definitions/uint16"
         },
         "blockIODevice": {
             "type": "object",