diff --git a/Controll.py b/Controll.py
index 855837a..f42e3c1 100644
--- a/Controll.py
+++ b/Controll.py
@@ -9,6 +9,7 @@ sess = pysmu.Session()
 sess.add_all()
 controllers = {dev.serial: DeviceController(dev) for dev in sess.devices}
 serials = list(controllers.keys())
+print(serials)
 
 startGUI()