diff --git a/dislocker_auth.py b/dislocker_auth.py
index bfcaa43..a4b32be 100644
--- a/dislocker_auth.py
+++ b/dislocker_auth.py
@@ -65,7 +65,10 @@ class Auth():
             pc_number = int(kwargs["pc_number"])
             pc_uuid = str(kwargs["pc_uuid"])
             pc_token = str(kwargs["pc_token"])
-            device_list = kwargs["device_list"]
+            if "device_list" in kwargs:
+                device_list = kwargs["device_list"]
+            else:
+                pass
             keyboard_number = "own"
             mouse_number = "own"