Index: django/contrib/sites/models.py
===================================================================
--- django/contrib/sites/models.py	(revision 6046)
+++ django/contrib/sites/models.py	(working copy)
@@ -38,6 +38,9 @@
     def __init__(self, request):
         self.domain = self.name = request.META['SERVER_NAME']
 
+    def __unicode__(self):
+        return self.domain
+
     def save(self):
         raise NotImplementedError('RequestSite cannot be saved.')