diff --git a/djangoldp/models.py b/djangoldp/models.py
index 4b9e5a6a95b9471b9eacb177bc34d0e27e9b6688..edf293e79714b0015a73cd502b7e9a0a3a8a6e14 100644
--- a/djangoldp/models.py
+++ b/djangoldp/models.py
@@ -1,5 +1,8 @@
 from django.conf import settings
 from django.db import models
+from django.contrib.auth.models import User
+
+User._meta.serializer_fields  = ('username','first_name','last_name')
 
 class LDPSource(models.Model):
     container = models.URLField()
diff --git a/djangoldp/serializers.py b/djangoldp/serializers.py
index 673bbb3e31d50fd776409f59af428edaf0d557ae..8e471d5e673bc2275e68214fa5248b2b0a76e336 100644
--- a/djangoldp/serializers.py
+++ b/djangoldp/serializers.py
@@ -81,7 +81,10 @@ class LDPSerializer(HyperlinkedModelSerializer):
     serializer_url_field = JsonLdIdentityField
     
     def get_default_field_names(self, declared_fields, model_info):
-        return super().get_default_field_names(declared_fields, model_info) + list(getattr(self.Meta, 'extra_fields', []))
+        fields = super().get_default_field_names(declared_fields, model_info)
+        excludes = list(getattr(self.Meta, 'exclude', []))
+        extra = list(getattr(self.Meta, 'extra_fields', []))
+        return [f for f in fields if f not in excludes] + extra
     
     def to_representation(self, obj):
         data = super().to_representation(obj)
@@ -95,8 +98,12 @@ class LDPSerializer(HyperlinkedModelSerializer):
             class Meta:
                 model = relation_info.related_model
                 depth = nested_depth - 1
-                fields = '__all__'
-        
+                try:
+                    fields = model._meta.serializer_fields
+                except:
+                    fields = '__all__'
+
+ 
         return NestedLDPSerializer, get_nested_relation_kwargs(relation_info)
     
     @classmethod