diff --git a/cleanup_collection.py b/cleanup_collection.py
index 998d450..de4cad3 100755
--- a/cleanup_collection.py
+++ b/cleanup_collection.py
@@ -33,13 +33,14 @@ for d in api.findDocuments({
     if title != document['title']:
         edit['title'] = title
 
-    year = re.compile('\d{4}').findall(document['title'])
-    if year and not document.get('date'):
+    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]
 
     if document.get('date') and document['date'] in title:
         title = title.replace(document['date'], '').strip()
-        edit['title'] = title
+        if title:
+            edit['title'] = title
 
     if edit:
         edit['id'] = d['id']