diff --git a/JobServer.gd b/JobServer.gd
index 41747de..071c016 100644
--- a/JobServer.gd
+++ b/JobServer.gd
@@ -9,8 +9,13 @@ func InitWebsocket():
 	while socket.get_ready_state() != WebSocketPeer.STATE_OPEN:
 		socket.poll()
 		
-		
-	socket.send_text(str({"register": 1}))
+	var init_message = {
+		"register": {
+			"version": 1,
+			"auth_key": $"/root/Main".auth_key
+		}
+	}
+	socket.send_text(str(init_message))
 	print("Connected")
 	while true:
 		await PollWebsocket()
diff --git a/Main.gd b/Main.gd
index f60a531..ef2b90f 100644
--- a/Main.gd
+++ b/Main.gd
@@ -5,6 +5,7 @@ var config = ConfigFile.new()
 var websocket_url
 var public_path
 var output_dir
+var auth_key
 var rendering = false
 signal finished_rendering
 
@@ -14,6 +15,7 @@ func _ready():
 	websocket_url = config.get_value("core", "websocket_url")
 	public_path = config.get_value("core", "public_path")
 	output_dir = config.get_value("core", "output_dir")
+	auth_key = config.get_value("core", "auth_key")
 	print("Starting render node")
 	
 	var directory = DirAccess.open(".")
diff --git a/example-config.cfg b/example-config.cfg
index 6099919..89adc07 100644
--- a/example-config.cfg
+++ b/example-config.cfg
@@ -1,4 +1,5 @@
 [core]
+auth_key=ay1234
 websocket_url="ws://localhost:6980"
 public_path="http://localhost:8899/"
 output_dir="./output"