diff --git a/app/routers/nodes.py b/app/routers/nodes.py
index 3962457..3c2f552 100644
--- a/app/routers/nodes.py
+++ b/app/routers/nodes.py
@@ -178,7 +178,7 @@ async def join(client_id):
     """
     data = await request.get_json()
 
-    system_id = data.get("system_id")
+    system_id = data.get("system_id", None)
     guild_id = data.get("guild_id")
     channel_id = data.get("channel_id")