diff --git a/FlippR-Driver/src/output/detail/DisplayBoardPinController.cpp b/FlippR-Driver/src/output/detail/DisplayBoardPinController.cpp
index 6ecff14..c0f486d 100644
--- a/FlippR-Driver/src/output/detail/DisplayBoardPinController.cpp
+++ b/FlippR-Driver/src/output/detail/DisplayBoardPinController.cpp
@@ -19,7 +19,7 @@ DisplayBoardPinController::DisplayBoardPinController(std::map<std::string, uint8
   pins_display_board{std::move(pins_display)}
 {
   initialize_pins_output(0, pins_display.begin(), pins_display.end());
-  
+
   clear();
 
   CLOG(DEBUG, OUTPUT_LOGGER) << "Created DisplayBoardPinController";
@@ -27,7 +27,7 @@ DisplayBoardPinController::DisplayBoardPinController(std::map<std::string, uint8
 
 void DisplayBoardPinController::clear()
 {
-  std::for_each(this->pins_display_board.begin(), this->pins_display_board.end(), [](uint8_t pin) { write_pin(pin, 0); });
+  std::for_each(this->pins_display_board.begin(), this->pins_display_board.end(), [](auto& pin) { write_pin(pin->second, 0); });
 }
 
 DisplayBoardPinController::DisplayBoardPinController() :