Index: django/core/management/commands/dumpdata.py
===================================================================
--- django/core/management/commands/dumpdata.py	(revision 6161)
+++ django/core/management/commands/dumpdata.py	(working copy)
@@ -1,5 +1,6 @@
 from django.core.management.base import BaseCommand, CommandError
 
+import sys
 from optparse import make_option
 
 class Command(BaseCommand):
@@ -36,6 +37,6 @@
             for model in get_models(app):
                 objects.extend(model.objects.all())
         try:
-            return serializers.serialize(format, objects, indent=indent)
+            serializers.serialize(format, objects, indent=indent, stream=sys.stdout)
         except Exception, e:
             raise CommandError("Unable to serialize database: %s" % e)