diff --git a/ox/django/fields.py b/ox/django/fields.py
index 006fcf7..7d110c1 100644
--- a/ox/django/fields.py
+++ b/ox/django/fields.py
@@ -12,10 +12,10 @@ from ox.utils import json
 def to_json(python_object):
     if isinstance(python_object, datetime.datetime):
         if python_object.year < 1900:
-            tt = python_ojbect.timetuple()
+            tt = python_object.timetuple()
             value = '%d-%02d-%02dT%02d:%02d%02dZ' % tuple(list(tt)[:6])
         else:
-            value = python_ojbect.strftime('%Y-%m-%dT%H:%M:%SZ')
+            value = python_object.strftime('%Y-%m-%dT%H:%M:%SZ')
         return {'__class__': 'datetime.datetime',
                 '__value__': value}
     if isinstance(python_object, datetime_safe.datetime):
diff --git a/ox/django/shortcuts.py b/ox/django/shortcuts.py
index 862568a..0691159 100644
--- a/ox/django/shortcuts.py
+++ b/ox/django/shortcuts.py
@@ -21,9 +21,9 @@ def json_response(data=None, status=200, text='ok'):
 def _to_json(python_object):
     if isinstance(python_object, datetime.datetime):
         if python_object.year < 1900:
-            tt = python_ojbect.timetuple()
+            tt = python_object.timetuple()
             return '%d-%02d-%02dT%02d:%02d%02dZ' % tuple(list(tt)[:6])
-        return python_ojbect.strftime('%Y-%m-%dT%H:%M:%SZ')
+        return python_object.strftime('%Y-%m-%dT%H:%M:%SZ')
     if isinstance(python_object, datetime_safe.datetime):
         return python_object.strftime('%Y-%m-%dT%H:%M:%SZ')
     raise TypeError(u'%s %s is not JSON serializable' % (repr(python_object), type(python_object)))