diff --git a/oml/meta/worldcat.py b/oml/meta/worldcat.py
index 128635a..d50bc3a 100644
--- a/oml/meta/worldcat.py
+++ b/oml/meta/worldcat.py
@@ -90,7 +90,7 @@ def lookup(id):
             data['place'] = [place]
         elif ':' in data['publisher']:
             place, publisher = data['publisher'].split(':', 2)
-            data['place'] = place.strip()
+            data['place'] = [place.strip()]
             data['publisher'] = publisher.split(',')[0].strip()
             m = re.compile('\d{4}').findall(publisher)
             if m: