diff --git a/discojs/src/client/types.ts b/discojs/src/client/types.ts
index a73dc4a75..18fd21a35 100644
--- a/discojs/src/client/types.ts
+++ b/discojs/src/client/types.ts
@@ -1,6 +1,5 @@
 export type NodeID = string
 
-// TODO @s314cy: regexp test just like server-side
 export function isNodeID (raw: unknown): raw is NodeID {
-  return typeof raw === 'string'
+  return typeof raw === 'string' && /^[a-zA-Z0-9_-]{1,64}$/.test(raw)
 }