diff --git a/board/ns9750dev/flash.c b/board/ns9750dev/flash.c
index e7d6515..2b62bef 100644
--- a/board/ns9750dev/flash.c
+++ b/board/ns9750dev/flash.c
@@ -108,8 +108,8 @@
 			CFG_FLASH_BASE + monitor_flash_len - 1, &flash_info[0]);
 
 	flash_protect (FLAG_PROTECT_SET,
-			CFG_ENV_ADDR,
-			CFG_ENV_ADDR + CFG_ENV_SIZE - 1, &flash_info[0]);
+			CONFIG_ENV_ADDR,
+			CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1, &flash_info[0]);
 
 	return size;
 }