diff --git a/board/incaip/flash.c b/board/incaip/flash.c
index 427f14a..e7fd540 100644
--- a/board/incaip/flash.c
+++ b/board/incaip/flash.c
@@ -100,7 +100,7 @@
 	/* monitor protection ON by default */
 	flash_protect(FLAG_PROTECT_SET,
 		      CFG_MONITOR_BASE,
-		      CFG_MONITOR_BASE+CFG_MONITOR_LEN-1,
+		      CFG_MONITOR_BASE+monitor_flash_len-1,
 		      flash_get_info(CFG_MONITOR_BASE));
 #endif