diff --git a/xapian_backend.py b/xapian_backend.py
index <HASH>..<HASH> 100755
--- a/xapian_backend.py
+++ b/xapian_backend.py
@@ -17,7 +17,7 @@ from django.core.exceptions import ImproperlyConfigured
 from django.utils.encoding import smart_unicode, force_unicode
 
 from haystack.backends import BaseSearchBackend, BaseSearchQuery, SearchNode, log_query
-from haystack.exceptions import HaystackError, MissingDependency
+from haystack.exceptions import HaystackError, MissingDependency, MoreLikeThisError
 from haystack.fields import DateField, DateTimeField, IntegerField, FloatField, BooleanField, MultiValueField
 from haystack.models import SearchResult
 from haystack.utils import get_identifier
Import MoreLikeThisError.  This resolves issue <I>