diff --git a/hardware/mb_2024_rev_0_0.py b/hardware/mb_2024_rev_0_0.py
index 9eff9597fd234480d914800fded362b0f7073cd5..2a042e3126ac27a4650d60583d757ad2cae9974a 100644
--- a/hardware/mb_2024_rev_0_0.py
+++ b/hardware/mb_2024_rev_0_0.py
@@ -9,7 +9,7 @@ import time
 import numpy as np
 import os
 from OhmPi.hardware import TxAbstract, RxAbstract
-controller_module = importlib.import_module(f'{OHMPI_CONFIG["hardware"]["controller"]["model"]}')
+controller_module = importlib.import_module(f'OhmPi.{OHMPI_CONFIG["hardware"]["controller"]["model"]}')
 
 TX_CONFIG = OHMPI_CONFIG['rx']
 RX_CONFIG = OHMPI_CONFIG['tx']
diff --git a/hardware/ohmpi_card_3_15.py b/hardware/ohmpi_card_3_15.py
index 016701545f87c4719e74bccdbfb1a4bb6027dbb5..80925012e71b0188b0ee7a7c3ef4552f5bf585f8 100644
--- a/hardware/ohmpi_card_3_15.py
+++ b/hardware/ohmpi_card_3_15.py
@@ -9,7 +9,7 @@ import time
 import numpy as np
 import os
 from OhmPi.hardware import TxAbstract, RxAbstract
-controller_module = importlib.import_module(f'{OHMPI_CONFIG["hardware"]["controller"]["model"]}')
+controller_module = importlib.import_module(f'OhmPi.{OHMPI_CONFIG["hardware"]["controller"]["model"]}')
 
 TX_CONFIG = OHMPI_CONFIG['rx']
 RX_CONFIG = OHMPI_CONFIG['tx']