diff --git a/lib/lib_i2c/BlueRobotics_MS5837_Library/MS5837.cpp b/lib/lib_i2c/BlueRobotics_MS5837_Library/MS5837.cpp
index b93f2656a..b36a99e0b 100644
--- a/lib/lib_i2c/BlueRobotics_MS5837_Library/MS5837.cpp
+++ b/lib/lib_i2c/BlueRobotics_MS5837_Library/MS5837.cpp
@@ -45,7 +45,7 @@ bool MS5837::init(TwoWire &wirePort) {
 		_i2cPort->write(MS5837_PROM_READ+i*2);
 		_i2cPort->endTransmission();
 
-		_i2cPort->requestFrom(MS5837_ADDR,2);
+		_i2cPort->requestFrom(MS5837_ADDR, (uint8_t)2);
 		C[i] = (_i2cPort->read() << 8) | _i2cPort->read();
 	}
 
@@ -113,7 +113,7 @@ void MS5837::read() {
 	_i2cPort->write(MS5837_ADC_READ);
 	_i2cPort->endTransmission();
 
-	_i2cPort->requestFrom(MS5837_ADDR,3);
+	_i2cPort->requestFrom(MS5837_ADDR, (uint8_t)3);
 	D1_pres = 0;
 	D1_pres = _i2cPort->read();
 	D1_pres = (D1_pres << 8) | _i2cPort->read();
@@ -130,7 +130,7 @@ void MS5837::read() {
 	_i2cPort->write(MS5837_ADC_READ);
 	_i2cPort->endTransmission();
 
-	_i2cPort->requestFrom(MS5837_ADDR,3);
+	_i2cPort->requestFrom(MS5837_ADDR, (uint8_t)3);
 	D2_temp = 0;
 	D2_temp = _i2cPort->read();
 	D2_temp = (D2_temp << 8) | _i2cPort->read();