diff --git a/hardware_components/ohmpi_card_3_15.py b/hardware_components/ohmpi_card_3_15.py
index eda9a80d9056849d4b22954e46b0ddb24a535251..f99bb50b883dcfc4336124e1cb4c47712df1e5bc 100644
--- a/hardware_components/ohmpi_card_3_15.py
+++ b/hardware_components/ohmpi_card_3_15.py
@@ -10,7 +10,7 @@ import time
 import numpy as np
 import os
 from OhmPi.hardware_components import TxAbstract, RxAbstract
-controller_name = HARDWARE_CONFIG['controller'].pop('board_name', 'raspberry_pi')
+controller_name = HARDWARE_CONFIG['controller'].pop('board_name', 'raspberry_pi_i2c')
 controller_module = importlib.import_module(f'OhmPi.hardware_components.{controller_name}')
 
 TX_CONFIG = HARDWARE_CONFIG['tx']