diff --git a/src/main/io/serial.c b/src/main/io/serial.c
index 61ed292ff7..03426d4955 100644
--- a/src/main/io/serial.c
+++ b/src/main/io/serial.c
@@ -579,11 +579,13 @@ serialPort_t *openSerialPort(serialPortFunction_e function, serialReceiveCallbac
             serialPort = uartOpen(USART3, callback, baudRate, mode, inversion);
             break;
 #endif
-#ifdef USE_SOFTSERIAL
+#ifdef USE_SOFTSERIAL1
         case SERIAL_PORT_SOFTSERIAL1:
             serialPort = openSoftSerial(SOFTSERIAL1, callback, baudRate, inversion);
             serialSetMode(serialPort, mode);
             break;
+#endif
+#ifdef USE_SOFTSERIAL2
         case SERIAL_PORT_SOFTSERIAL2:
             serialPort = openSoftSerial(SOFTSERIAL2, callback, baudRate, inversion);
             serialSetMode(serialPort, mode);