diff --git a/auth.lua b/auth.lua
index f7380a9..bf45936 100644
--- a/auth.lua
+++ b/auth.lua
@@ -14,6 +14,7 @@ function lns_lookup(hostname)
         ["hostname"] = hostname
     }
 
+    lns_server_id = rednet.lookup("lns", lns_server)
     rednet.send(lns_server_id, data)
 
     while true do