diff --git a/firmware/controllers/algo/engine_configuration.cpp b/firmware/controllers/algo/engine_configuration.cpp
index ca931b2511..e5d509d4b7 100644
--- a/firmware/controllers/algo/engine_configuration.cpp
+++ b/firmware/controllers/algo/engine_configuration.cpp
@@ -280,8 +280,11 @@ void setDefaultBasePins() {
 
 	// set UART pads configuration based on the board
 // needed also by bootloader code
+#ifdef TS_SECONDARY_UxART_PORT
 	engineConfiguration->binarySerialTxPin = Gpio::C10;
 	engineConfiguration->binarySerialRxPin = Gpio::C11;
+#endif // TS_SECONDARY_UxART_PORT
+
 	engineConfiguration->tunerStudioSerialSpeed = TS_DEFAULT_SPEED;
 	engineConfiguration->uartConsoleSerialSpeed = 115200;
 }