diff --git a/bsp/src/bsp_flash.c b/bsp/src/bsp_flash.c
index dbe692b..a3ab23b 100644
--- a/bsp/src/bsp_flash.c
+++ b/bsp/src/bsp_flash.c
@@ -1,4 +1,4 @@
 #include "bsp_flash.h"
 
 
-
+#define MAX(a, b)  ((a) > (b)) ? (a) : (b)