diff --git a/src/calibre/ebooks/metadata/__init__.py b/src/calibre/ebooks/metadata/__init__.py
index f64a269fd1..429ba06c6e 100644
--- a/src/calibre/ebooks/metadata/__init__.py
+++ b/src/calibre/ebooks/metadata/__init__.py
@@ -231,7 +231,7 @@ def MetaInformation(title, authors=(_('Unknown'),)):
         mi = title
         title = mi.title
         authors = mi.authors
-    return Metadata(title, authors, mi)
+    return Metadata(title, authors, other=mi)
 
 def check_isbn10(isbn):
     try: