diff --git a/board/cray/L1/flash.c b/board/cray/L1/flash.c
index 6d66905..829dbae 100644
--- a/board/cray/L1/flash.c
+++ b/board/cray/L1/flash.c
@@ -88,7 +88,7 @@
 	    /* Monitor protection ON by default */
 	    (void)flash_protect(FLAG_PROTECT_SET,
 				FLASH_BASE0_PRELIM,
-				FLASH_BASE0_PRELIM+CFG_MONITOR_LEN-1,
+				FLASH_BASE0_PRELIM+monitor_flash_len-1,
 				&flash_info[0]);
 #endif
 	    size_b1 = 0 ;