diff --git a/ohmpi/hardware_components/mb_2024_0_2.py b/ohmpi/hardware_components/mb_2024_0_2.py
index 40a9f4e4090a74b27273811931c2c2cc2269c3b4..cc5dbc21d79c8a66bb2f7a71d2f6360ac9e1c0fe 100644
--- a/ohmpi/hardware_components/mb_2024_0_2.py
+++ b/ohmpi/hardware_components/mb_2024_0_2.py
@@ -143,6 +143,7 @@ class Rx(Rx_mb_2023):
         if not subclass_init:
             self.exec_logger.event(f'{self.model}\trx_init\tbegin\t{datetime.datetime.utcnow()}')
         # I2C connection to MCP23008, for voltage
+        self._mcp_address = kwargs['mcp_address']
         # self.mcp_board = MCP23008(self.connection, address=kwargs['mcp_address'])
         if self.connect:
             self.reset_mcp()