diff --git a/src/devices/boiler.cpp b/src/devices/boiler.cpp
index daa4320a3..c30671386 100644
--- a/src/devices/boiler.cpp
+++ b/src/devices/boiler.cpp
@@ -512,7 +512,7 @@ Boiler::Boiler(uint8_t device_type, int8_t device_id, uint8_t product_id, const
                               DeviceValueType::UINT24,
                               FL_(auxElecHeatNrgConsHeating),
                               DeviceValueUOM::KWH);
-        register_device_value(DeviceValueTAG::TAG_DHW1, &auxElecHeatNrgConsWW_, DeviceValueType::UINT24, FL_(auxElecHeatNrgConsWW), DeviceValueUOM::KWH);
+        register_device_value(DeviceValueTAG::TAG_DHW1, &auxElecHeatNrgConsWw_, DeviceValueType::UINT24, FL_(auxElecHeatNrgConsWw), DeviceValueUOM::KWH);
         register_device_value(DeviceValueTAG::TAG_DEVICE_DATA, &auxElecHeatNrgConsPool_, DeviceValueType::UINT24, FL_(auxElecHeatNrgConsPool), DeviceValueUOM::KWH);
         register_device_value(DeviceValueTAG::TAG_DEVICE_DATA, &nrgSuppTotal_, DeviceValueType::UINT24, FL_(nrgSuppTotal), DeviceValueUOM::KWH);
         register_device_value(DeviceValueTAG::TAG_DEVICE_DATA, &nrgSuppHeating_, DeviceValueType::UINT24, FL_(nrgSuppHeating), DeviceValueUOM::KWH);
@@ -1562,7 +1562,7 @@ void Boiler::process_UBAInformation(std::shared_ptr<const Telegram> telegram) {
 
     has_update(telegram, auxElecHeatNrgConsTotal_, 40);
     has_update(telegram, auxElecHeatNrgConsHeating_, 48);
-    has_update(telegram, auxElecHeatNrgConsWW_, 44);
+    has_update(telegram, auxElecHeatNrgConsWw_, 44);
     has_update(telegram, auxElecHeatNrgConsPool_, 52);
 
     has_update(telegram, nrgConsCompTotal_, 56);
diff --git a/src/devices/boiler.h b/src/devices/boiler.h
index cc44873db..cad1c7c78 100644
--- a/src/devices/boiler.h
+++ b/src/devices/boiler.h
@@ -187,7 +187,7 @@ class Boiler : public EMSdevice {
     uint32_t nrgSuppPool_;               // Energy supplied pool
     uint32_t auxElecHeatNrgConsTotal_;   // Auxiliary electrical heater energy consumption total
     uint32_t auxElecHeatNrgConsHeating_; // Auxiliary electrical heater energy consumption heating
-    uint32_t auxElecHeatNrgConsWW_;      // Auxiliary electrical heater energy consumption DHW
+    uint32_t auxElecHeatNrgConsWw_;      // Auxiliary electrical heater energy consumption DHW
     uint32_t auxElecHeatNrgConsPool_;    // Auxiliary electrical heater energy consumption Pool
     char     maintenanceMessage_[4];
     char     maintenanceDate_[12];