diff --git a/include/env_internal.h b/include/env_internal.h
index c1c0727..ee939ba 100644
--- a/include/env_internal.h
+++ b/include/env_internal.h
@@ -113,6 +113,7 @@
 	ENVL_ONENAND,
 	ENVL_REMOTE,
 	ENVL_SPI_FLASH,
+	ENVL_MTD,
 	ENVL_UBI,
 	ENVL_NOWHERE,