diff --git a/FlippR-Driver/src/output/detail/DisplayBoardPinController.cpp b/FlippR-Driver/src/output/detail/DisplayBoardPinController.cpp
index 6e86e6a..4e9fcf9 100644
--- a/FlippR-Driver/src/output/detail/DisplayBoardPinController.cpp
+++ b/FlippR-Driver/src/output/detail/DisplayBoardPinController.cpp
@@ -68,9 +68,9 @@ void DisplayBoardPinController::write_display_digit(uint8_t display_address, uin
 
 void DisplayBoardPinController::select_display_segment(uint8_t segment) const
 {
-  write_pin(pins_display_board.at("segment_select_A"), segment & 0b001u);
-  write_pin(pins_display_board.at("segment_select_B"), segment & 0b010u);
-  write_pin(pins_display_board.at("segment_select_C"), segment & 0b100u);
+  write_pin(pins_display_board.at("segment_select_A"), ~(segment & 0b001u));
+  write_pin(pins_display_board.at("segment_select_B"), ~(segment & 0b010u));
+  write_pin(pins_display_board.at("segment_select_C"), ~(segment & 0b100u));
 }
 
 void DisplayBoardPinController::select_display_digit(uint8_t content) const