diff --git a/dictionary/teixml.py b/dictionary/teixml.py
index 30fb7b4..c812dc5 100644
--- a/dictionary/teixml.py
+++ b/dictionary/teixml.py
@@ -3,7 +3,7 @@ from semantics.models import LexicalUnitExamples
 
 import datetime
 
-from django.db.models import Count, Min
+from django.db.models import Count, Min, Max
 from lxml import etree
 from xml.sax.saxutils import escape