diff --git a/src/calibre/ebooks/metadata/__init__.py b/src/calibre/ebooks/metadata/__init__.py
index 1a33bacf1a..fb56074079 100644
--- a/src/calibre/ebooks/metadata/__init__.py
+++ b/src/calibre/ebooks/metadata/__init__.py
@@ -13,7 +13,7 @@ from urlparse import urlparse
 
 from calibre import relpath
 
-_author_pat = re.compile(',?\s+and\s+', re.IGNORECASE)
+_author_pat = re.compile(',?\s+(and|with)\s+', re.IGNORECASE)
 def string_to_authors(raw):
     raw = raw.replace('&&', u'\uffff')
     raw = _author_pat.sub('&', raw)