diff --git a/usermods/BME280_v2/usermod_bme280.h b/usermods/BME280_v2/usermod_bme280.h
index d9351ffa..ed495ce5 100644
--- a/usermods/BME280_v2/usermod_bme280.h
+++ b/usermods/BME280_v2/usermod_bme280.h
@@ -245,7 +245,7 @@ public:
         // from the UI and values read from sensor, then publish to broker
         if (temperature != lastTemperature || PublishAlways)
         {
-          publishMqtt("temperature", String(temperature, TemperatureDecimals).c_str());
+          publishMqtt("temperature", String(temperature, (unsigned)TemperatureDecimals).c_str());
         }
 
         lastTemperature = temperature; // Update last sensor temperature for next loop
@@ -258,17 +258,17 @@ public:
 
           if (humidity != lastHumidity || PublishAlways)
           {
-            publishMqtt("humidity", String(humidity, HumidityDecimals).c_str());
+            publishMqtt("humidity", String(humidity, (unsigned)HumidityDecimals).c_str());
           }
 
           if (heatIndex != lastHeatIndex || PublishAlways)
           {
-            publishMqtt("heat_index", String(heatIndex, TemperatureDecimals).c_str());
+            publishMqtt("heat_index", String(heatIndex, (unsigned)TemperatureDecimals).c_str());
           }
 
           if (dewPoint != lastDewPoint || PublishAlways)
           {
-            publishMqtt("dew_point", String(dewPoint, TemperatureDecimals).c_str());
+            publishMqtt("dew_point", String(dewPoint, (unsigned)TemperatureDecimals).c_str());
           }
 
           lastHumidity = humidity;
@@ -285,7 +285,7 @@ public:
 
         if (pressure != lastPressure || PublishAlways)
         {
-          publishMqtt("pressure", String(pressure, PressureDecimals).c_str());
+          publishMqtt("pressure", String(pressure, (unsigned)PressureDecimals).c_str());
         }
 
         lastPressure = pressure;