diff --git a/tools/updater/flash_hw.c b/tools/updater/flash_hw.c
index 50b4df0..638844e 100644
--- a/tools/updater/flash_hw.c
+++ b/tools/updater/flash_hw.c
@@ -126,8 +126,8 @@
 #ifdef CONFIG_ENV_IS_IN_FLASH
 		/* ENV protection ON by default */
 		flash_protect(FLAG_PROTECT_SET,
-			      CFG_ENV_ADDR,
-			      CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1,
+			      CONFIG_ENV_ADDR,
+			      CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1,
 			      &flash_info[0]);
 #endif