diff --git a/webtop_kde/config.json b/webtop_kde/config.json
index 1759adf73..9d5651935 100644
--- a/webtop_kde/config.json
+++ b/webtop_kde/config.json
@@ -89,7 +89,7 @@
   },
   "schema": {
     "DNS_server": "str?",
-    "DRINODE": "str?",
+    "DRINODE": "list(/dev/dri/card0|/dev/dri/card1|/dev/dri/card2|/dev/dri/renderD128|/dev/dri/renderD129|)?",
     "KEYBOARD": "list(da-dk-qwerty|de-de-qwertz|en-gb-qwerty|en-us-qwerty|es-es-qwerty|fr-ch-qwertz|fr-fr-azerty|it-it-qwerty|ja-jp-qwerty|pt-br-qwerty|sv-se-qwerty|tr-tr-qwerty)?",
     "PASSWORD": "str?",
     "PGID": "int",