diff --git a/configs/config_mb_2024_0_2__1_mux_2024_dps5005.py b/configs/config_mb_2024_0_2__1_mux_2024_dps5005.py
index d1e4add4088d0002b262ec1a23fa1fa606f419fa..86f5a3b59abe9c0d1e56d88463b892688749078c 100644
--- a/configs/config_mb_2024_0_2__1_mux_2024_dps5005.py
+++ b/configs/config_mb_2024_0_2__1_mux_2024_dps5005.py
@@ -18,7 +18,7 @@ OHMPI_CONFIG = {
 
 HARDWARE_CONFIG = {
     'ctl': {'model': 'raspberry_pi'},
-    'pwr': {'model': 'pwr_dps5005', 'voltage': 3.},
+    'pwr': {'model': 'pwr_dps5005', 'voltage': 3., 'interface_name': 'modbus'},
     'tx':  {'model': 'mb_2024_0_2',
              'voltage_max': 50.,  # Maximum voltage supported by the TX board [V]
              'current_max': 4800,  # Maximum voltage read by the current ADC on the TX board [mA]