diff --git a/boards/px4/fmu-v6x/src/hw_config.h b/boards/px4/fmu-v6x/src/hw_config.h
index 57149b1df1..4ad1049fed 100644
--- a/boards/px4/fmu-v6x/src/hw_config.h
+++ b/boards/px4/fmu-v6x/src/hw_config.h
@@ -69,7 +69,7 @@
 
 //#define USE_VBUS_PULL_DOWN
 #define INTERFACE_USART                1
-#define INTERFACE_USART_CONFIG         "/dev/ttyS0,115200"
+#define INTERFACE_USART_CONFIG         "/dev/ttyS0,1500000"
 #define BOOT_DELAY_ADDRESS             0x000001a0
 #define BOARD_TYPE                     53
 #define _FLASH_KBYTES                  (*(uint32_t *)0x1FF1E880)