diff --git a/board/mx1fs2/flash.c b/board/mx1fs2/flash.c
index 73ce895..8be0f49 100644
--- a/board/mx1fs2/flash.c
+++ b/board/mx1fs2/flash.c
@@ -106,8 +106,8 @@
 		      &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;
 }