diff --git a/rest_framework/fields.py b/rest_framework/fields.py
index 2060e3e70..f582a6813 100644
--- a/rest_framework/fields.py
+++ b/rest_framework/fields.py
@@ -796,7 +796,7 @@ class ChoiceField(WritableField):
                     if value == smart_unicode(k2):
                         return True
             else:
-                if value == smart_unicode(k):
+                if value == smart_unicode(k) or value == k:
                     return True
         return False
 
diff --git a/rest_framework/tests/models.py b/rest_framework/tests/models.py
index e2b287d06..1b1def30d 100644
--- a/rest_framework/tests/models.py
+++ b/rest_framework/tests/models.py
@@ -51,6 +51,10 @@ class RESTFrameworkModel(models.Model):
         abstract = True
 
 
+class HasPositiveIntegerAsChoice(RESTFrameworkModel):
+    some_choices = ((1,'A'),(2,'B'),(3,'C'))
+    some_integer = models.PositiveIntegerField(choices=some_choices)
+
 class Anchor(RESTFrameworkModel):
     text = models.CharField(max_length=100, default='anchor')
 
diff --git a/rest_framework/tests/serializer.py b/rest_framework/tests/serializer.py
index 780177aa0..7f2c27b05 100644
--- a/rest_framework/tests/serializer.py
+++ b/rest_framework/tests/serializer.py
@@ -2,7 +2,7 @@ import datetime
 import pickle
 from django.test import TestCase
 from rest_framework import serializers
-from rest_framework.tests.models import (Album, ActionItem, Anchor, BasicModel,
+from rest_framework.tests.models import (HasPositiveIntegerAsChoice, Album, ActionItem, Anchor, BasicModel,
     BlankFieldModel, BlogPost, Book, CallableDefaultValueModel, DefaultValueModel,
     ManyToManyModel, Person, ReadOnlyManyToManyModel, Photo)
 
@@ -69,6 +69,11 @@ class AlbumsSerializer(serializers.ModelSerializer):
         model = Album
         fields = ['title']  # lists are also valid options
 
+class PositiveIntegerAsChoiceSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = HasPositiveIntegerAsChoice
+        fields = ['some_integer']
+
 
 class BasicTests(TestCase):
     def setUp(self):
@@ -285,6 +290,12 @@ class ValidationTests(TestCase):
         self.assertEquals(serializer.errors, {'info': [u'Ensure this value has at most 12 characters (it has 13).']})
 
 
+class PositiveIntegerAsChoiceTests(TestCase):
+    def test_positive_integer_in_json_is_correctly_parsed(self):
+        data = {'some_integer':1}
+        serializer = PositiveIntegerAsChoiceSerializer(data=data)
+        self.assertEquals(serializer.is_valid(), True)
+
 class ModelValidationTests(TestCase):
     def test_validate_unique(self):
         """