diff --git a/src/bootloader/boards/ml402/board.c b/src/bootloader/boards/ml402/board.c
index 22e42c8..63bebd4 100644
--- a/src/bootloader/boards/ml402/board.c
+++ b/src/bootloader/boards/ml402/board.c
@@ -53,6 +53,11 @@ char dbg_getchar()
 	return (char)_dbg_readchar(&uart_if[UART_DEBUGGER]);
 }
 
+uint32_t getBootOffset(uint32_t sel)
+{
+	return 0x100000 *(1+sel);
+}
+
 void board_init(void)
 {