diff --git a/src/calibre/ebooks/metadata/__init__.py b/src/calibre/ebooks/metadata/__init__.py
index b4ba6683c0..55d70ee909 100644
--- a/src/calibre/ebooks/metadata/__init__.py
+++ b/src/calibre/ebooks/metadata/__init__.py
@@ -11,7 +11,7 @@ from urllib import unquote, quote
 from urlparse import urlparse
 
 from calibre import relpath, prints
-
+from calibre.utils.config import tweaks
 from calibre.utils.date import isoformat
 
 _author_pat = re.compile(',?\s+(and|with)\s+', re.IGNORECASE)