diff --git a/src/hoymiles/portParameters/portParametersGeneric.cpp b/src/hoymiles/portParameters/portParametersGeneric.cpp
index 89169a1..ea6ed36 100644
--- a/src/hoymiles/portParameters/portParametersGeneric.cpp
+++ b/src/hoymiles/portParameters/portParametersGeneric.cpp
@@ -1,6 +1,8 @@
 #include <cmath>
 #include <memory>
 #include <mutex>
+#include <sstream>
+#include <iomanip>
 
 #include "modbus.h"
 
@@ -61,7 +63,9 @@ void PortParameterFloat::setValueFromRegisters(uint16_t *readArray, int register
 
 std::string PortParameterFloat::getOutputValue() {
 	std::string separator{"_age"};
-	return std::to_string(this->value.f).append(separator.append(std::to_string(this->age)));
+	std::stringstream valueStringStream;
+	valueStringStream << std::fixed << std::setprecision(this->decimalPlaces) << this->value.f;
+	return valueStringStream.str().append(separator.append(std::to_string(this->age)));
 }
 
 PortParameterInt::PortParameterInt(std::string name, uint16_t parameterAddressOffset, int registerSize) : PortParameter(name, parameterAddressOffset, registerSize) {