diff --git a/include/grub/file.h b/include/grub/file.h
index 19dda67f6..9aae46355 100644
--- a/include/grub/file.h
+++ b/include/grub/file.h
@@ -69,6 +69,8 @@ enum grub_file_type
 
     GRUB_FILE_TYPE_EFI_CHAINLOADED_IMAGE,
 
+    GRUB_FILE_TYPE_DEVICE_TREE_IMAGE,
+
     /* File holding signature.  */
     GRUB_FILE_TYPE_SIGNATURE,
     /* File holding public key to verify signature once.  */