diff --git a/rest_framework/serializers.py b/rest_framework/serializers.py
index d8350f95a..6eb9c3e11 100644
--- a/rest_framework/serializers.py
+++ b/rest_framework/serializers.py
@@ -441,7 +441,7 @@ class ModelSerializer(Serializer):
 
         kwargs['blank'] = model_field.blank
 
-        if model_field.null:
+        if model_field.null or model_field.blank:
             kwargs['required'] = False
 
         if model_field.has_default():
diff --git a/rest_framework/tests/serializer.py b/rest_framework/tests/serializer.py
index f780e811e..701b2f47f 100644
--- a/rest_framework/tests/serializer.py
+++ b/rest_framework/tests/serializer.py
@@ -751,6 +751,10 @@ class BlankFieldTests(TestCase):
         serializer = self.not_blank_model_serializer_class(data=self.data)
         self.assertEquals(serializer.is_valid(), False)
 
+    def test_create_model_null_field(self):
+        serializer = self.model_serializer_class(data={})
+        self.assertEquals(serializer.is_valid(), True)
+
 
 #test for issue #460
 class SerializerPickleTests(TestCase):