diff --git a/boards/ark/fpv/extras/ark_fpv_bootloader.bin b/boards/ark/fpv/extras/ark_fpv_bootloader.bin
index d4fc803a0074..53c31e47e970 100755
Binary files a/boards/ark/fpv/extras/ark_fpv_bootloader.bin and b/boards/ark/fpv/extras/ark_fpv_bootloader.bin differ
diff --git a/boards/ark/fpv/src/hw_config.h b/boards/ark/fpv/src/hw_config.h
index d047226a9364..f677802289e9 100644
--- a/boards/ark/fpv/src/hw_config.h
+++ b/boards/ark/fpv/src/hw_config.h
@@ -69,7 +69,7 @@
 
 //#define USE_VBUS_PULL_DOWN
 #define INTERFACE_USART                1
-#define INTERFACE_USART_CONFIG         "/dev/ttyS6,921600"
+#define INTERFACE_USART_CONFIG         "/dev/ttyS0,921600"
 #define BOOT_DELAY_ADDRESS             0x000001a0
 #define BOARD_TYPE                     59
 #define _FLASH_KBYTES                  (*(uint32_t *)0x1FF1E880)