diff --git a/cleanup_collection.py b/cleanup_collection.py
index de4cad3..ceede06 100755
--- a/cleanup_collection.py
+++ b/cleanup_collection.py
@@ -33,9 +33,9 @@ for d in api.findDocuments({
     if title != document['title']:
         edit['title'] = title
 
-    year = re.compile(' \d{4} ').findall(document['title'])
-    if year and year[0] in ('1', '2') and not document.get('date'):
-        document['date'] = edit['date'] = year[0]
+    year = re.compile(' (\d{4})( |$)').findall(document['title'])
+    if year and year[0][0][0] in ('1', '2') and not document.get('date'):
+        document['date'] = edit['date'] = year[0][0]
 
     if document.get('date') and document['date'] in title:
         title = title.replace(document['date'], '').strip()