diff --git a/rest_framework_hstore/serializers.py b/rest_framework_hstore/serializers.py
index 01f911c..347080b 100755
--- a/rest_framework_hstore/serializers.py
+++ b/rest_framework_hstore/serializers.py
@@ -18,46 +18,16 @@ class HStoreSerializer(ModelSerializer):
     to django-rest-framework
     """
     def __init__(self, *args, **kwargs):
-        self.__map_virtual_fields()
+        self.contribute_to_field_mapping()
         super(HStoreSerializer, self).__init__(*args, **kwargs)
     
-    def __map_virtual_fields(self):
+    def contribute_to_field_mapping(self):
         """
-        the standard DRF field_mapping uses model field classes as keys:
-        
-        field_mapping = {
-            ...
-            models.DateField: DateField,
-            ...
-        }
-        
-        we need to add strings with the name of the classes to the mapping:
-        
-        field_mapping = {
-            ...
-            models.DateField: DateField,
-            "models.DateField": DateField,
-            ...
-        }
-        
-        The reason is that a virtual field won't match the standard django field,
-        but can match the string version.
+        add DictionaryField to field_mapping
         """
-        # add DictionaryField to field_mapping
-        self.field_mapping[DictionaryField] = HStoreField
         # TODO: support ReferenceField
+        self.field_mapping[DictionaryField] = HStoreField
         
-        additional_fields = {}
-        # iterate over self.field_mapping
-        for field_class, serializer_field in self.field_mapping.items():
-            # if the field can be represented as a string
-            if hasattr(field_class, '__name__'):
-                # add mapping using string instead of class
-                additional_fields[field_class.__name__] = serializer_field
-        
-        # update field_mapping dictionary
-        self.field_mapping.update(additional_fields)
-    
     def get_field(self, model_field):
         """
         Creates a default instance of a basic non-relational field.
@@ -112,9 +82,14 @@ def get_field(self, model_field):
         
         if model_field.__class__ == DictionaryField and model_field.schema:
             kwargs['schema'] = True
+        
+        # === django-rest-framework-hstore specific ====
+        # if available, use __basefield__ attribute instead of __class__
+        # this will cause DRF to pick the correct DRF-field
+        key = getattr(model_field, '__basefield__', model_field.__class__)
 
         try:
-            return self.field_mapping[model_field.__class__](**kwargs)
+            return self.field_mapping[key](**kwargs)
         except KeyError:
             pass
         
diff --git a/setup.py b/setup.py
index 30e6700..a620aef 100755
--- a/setup.py
+++ b/setup.py
@@ -17,7 +17,7 @@
 license = 'BSD'
 install_requires = [
     'djangorestframework',
-    'django_hstore'
+    'django_hstore>=1.3.1'
 ]
 classifiers=[
     'Development Status :: 3 - Alpha',