diff --git a/test_mux_2024.py b/test_mux_2024.py
index 33b32e0707eac833105c0ce4de2c19c6050510d2..6d56f02b8e393d3463ba318655e3395405d6f750 100644
--- a/test_mux_2024.py
+++ b/test_mux_2024.py
@@ -5,6 +5,7 @@ from OhmPi.hardware_components.mux_2024_rev_0_0 import Mux, MUX_CONFIG
 from OhmPi.hardware_components import raspberry_pi as controller_module
 
 MUX_CONFIG['controller'] = controller_module.Controller()
+MUX_CONFIG['id'] = 'mux_1'
 mux = Mux(**MUX_CONFIG)
 mux.switch_one(elec=1, role='M', state='on')
 time.sleep(2)