It's domain, not name

front/dashboard.js

@@ -52,7 +52,7 @@ function PeerList() {
 		} else if (!/^([\-\_a-z0-9]{3,12})$/.test(validName)) {
 			alert('Name must be 3-12 alphanumeric chars.')
 			self.isAdding(false)
-		} else if (self.peers().map((peer)=>peer.name.split('.')[0]).includes(validName)) {
+		} else if (self.peers().map((peer)=>peer.domain.split('.')[0]).includes(validName)) {
 			alert(`You already have a peer named ${validName}!`)
 			self.isAdding(false)
 		} else {