diff --git a/Firmware/Configuration.h b/Firmware/Configuration.h
index 355ad57e3..3c0bd4c68 100644
--- a/Firmware/Configuration.h
+++ b/Firmware/Configuration.h
@@ -100,7 +100,9 @@
 #define SERIAL_PORT 0
 
 // This determines the communication speed of the printer
+#ifndef BAUDRATE
 #define BAUDRATE 115200
+#endif
 
 // This enables the serial port associated to the Bluetooth interface
 //#define BTENABLED              // Enable BT interface on AT90USB devices
diff --git a/platformio.ini b/platformio.ini
index b916dfe4b..2fc9669d8 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -29,7 +29,7 @@ platform	= atmelavr
 board		= reprap_rambo
 framework	= arduino
 board_f_cpu	= 16000000L
-build_flags	= -I$BUILDSRC_DIR -Wall -Wextra
+build_flags	= -DBAUDRATE=250000 -I$BUILDSRC_DIR -Wall -Wextra
 ; Not needed for Prusa-Firmware
 ;extra_scripts	= ./generate_version_header_for_marlin.py
 ;build_flags	= -DUSE_AUTOMATIC_VERSIONING -I$BUILDSRC_DIR -Wall -Wextra