diff --git a/packages/modules/consumers/idm/idm/consumer.py b/packages/modules/consumers/idm/idm/consumer.py
index cfcb80291f..917fbe18cb 100644
--- a/packages/modules/consumers/idm/idm/consumer.py
+++ b/packages/modules/consumers/idm/idm/consumer.py
@@ -64,10 +64,10 @@ def send_values(values: CurrentValues) -> None:
     def update() -> ConsumerState:
         if config.configuration.version == 1:
             power = client.read_holding_registers(
-                4122, ModbusDataType.FLOAT_32, unit=config.configuration.modbus_id)
+                4122, ModbusDataType.FLOAT_32, wordorder=Endian.Little, unit=config.configuration.modbus_id)
         else:
             power = client.read_input_registers(
-                4122, ModbusDataType.FLOAT_32, unit=config.configuration.modbus_id)
+                4122, ModbusDataType.FLOAT_32, wordorder=Endian.Little, unit=config.configuration.modbus_id)
         power *= 1000
         return ConsumerState(power=power)