diff --git a/FlippR-Driver/src/output/detail/DriverBoardPinController.cpp b/FlippR-Driver/src/output/detail/DriverBoardPinController.cpp
index 88d1104..d7a5767 100644
--- a/FlippR-Driver/src/output/detail/DriverBoardPinController.cpp
+++ b/FlippR-Driver/src/output/detail/DriverBoardPinController.cpp
@@ -9,6 +9,8 @@
 
 #include "utility/config.h"
 
+#include <string>
+
 namespace flippR_driver
 {
 namespace output
@@ -56,7 +58,7 @@ void DriverBoardPinController::deactivate(items::DriverBoardItem &driver_board_i
 
 void DriverBoardPinController::select_address(uint8_t address)
 {
-  CLOG(DEBUG, OUTPUT_LOGGER) << "Select address " << address;
+  CLOG(DEBUG, OUTPUT_LOGGER) << "Select address " << std::to_string(address);
   address = address % 8;
   write_pin(this->address_pins[0], address & 0b001);
   write_pin(this->address_pins[1], address & 0b010);
@@ -65,7 +67,7 @@ void DriverBoardPinController::select_address(uint8_t address)
 
 void DriverBoardPinController::select_mux(uint8_t mux)
 {
-  CLOG(DEBUG, OUTPUT_LOGGER) << "Select mux " << mux;
+  CLOG(DEBUG, OUTPUT_LOGGER) << "Select mux " << std::to_string(mux);
   write_pin(this->mux_enable_pins[mux], 0);
 }