diff --git a/board/MAI/AmigaOneG3SE/flash_new.c b/board/MAI/AmigaOneG3SE/flash_new.c
index 6eebeba..3fb9f12 100644
--- a/board/MAI/AmigaOneG3SE/flash_new.c
+++ b/board/MAI/AmigaOneG3SE/flash_new.c
@@ -120,7 +120,7 @@
 		/* 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_info[0]);
 #endif