diff --git a/polymorphic/manager.py b/polymorphic/manager.py
index 575fcde..bb1fd6b 100644
--- a/polymorphic/manager.py
+++ b/polymorphic/manager.py
@@ -4,7 +4,7 @@
 """
 
 from django.db import models
-from query import PolymorphicQuerySet
+from polymorphic.query import PolymorphicQuerySet
 
 
 class PolymorphicManager(models.Manager):