diff --git a/django/core/serializers/json.py b/django/core/serializers/json.py
index a8b4259099..72234a624b 100644
--- a/django/core/serializers/json.py
+++ b/django/core/serializers/json.py
@@ -48,4 +48,4 @@ class DateTimeAwareJSONEncoder(simplejson.JSONEncoder):
         elif isinstance(o, datetime.time):
             return o.strftime(self.TIME_FORMAT)
         else:
-            return super(self, DateTimeAwareJSONEncoder).default(o)
\ No newline at end of file
+            return super(DateTimeAwareJSONEncoder, self).default(o)