diff --git a/util/cbfstool/cbfs_image.h b/util/cbfstool/cbfs_image.h
index 8ea4e47..0a05eb2 100644
--- a/util/cbfstool/cbfs_image.h
+++ b/util/cbfstool/cbfs_image.h
@@ -34,6 +34,8 @@
 /* Given a pointer, serialize the header from host-native byte format
  * to cbfs format, i.e. big-endian. */
 void cbfs_put_header(void *dest, const struct cbfs_header *header);
+/* Or deserialize into host-native format */
+void cbfs_get_header(struct cbfs_header *header, const void *src);
 
 /* Creates an empty CBFS image by given size, and description to its content
  * (bootblock, align, header location, starting offset of CBFS entries.