diff --git a/docs/topics/db/aggregation.txt b/docs/topics/db/aggregation.txt
index 9ee39fc081..51942d9a1c 100644
--- a/docs/topics/db/aggregation.txt
+++ b/docs/topics/db/aggregation.txt
@@ -88,6 +88,7 @@ If you want to generate more than one aggregate, you just add another
 argument to the ``aggregate()`` clause. So, if we also wanted to know
 the maximum and minimum price of all books, we would issue the query::
 
+    >>> from django.db.models import Avg, Max, Min, Count
     >>> Book.objects.aggregate(Avg('price'), Max('price'), Min('price'))
     {'price__avg': 34.35, 'price__max': Decimal('81.20'), 'price__min': Decimal('12.99')}