diff --git a/rest_auth/app_settings.py b/rest_auth/app_settings.py
index b1960eb..bb6c27a 100644
--- a/rest_auth/app_settings.py
+++ b/rest_auth/app_settings.py
@@ -1,13 +1,13 @@
 from django.conf import settings
 
 if getattr(settings, 'REST_AUTH_TOKEN_APP', False) is 'knox':
-    from rest_auth.serializers import KnoxTokenSerializer as DefaultTokenSerializer
     from .utils import create_knox_token as default_create_token
 else:
-    from rest_auth.serializers import TokenSerializer as DefaultTokenSerializer
     from .utils import default_create_token
 
 from rest_auth.serializers import (
+    TokenSerializer as DefaultTokenSerializer,
+    KnoxTokenSerializer as DefaultKnoxTokenSerializer,
     JWTSerializer as DefaultJWTSerializer,
     UserDetailsSerializer as DefaultUserDetailsSerializer,
     LoginSerializer as DefaultLoginSerializer,
@@ -27,6 +27,9 @@ TokenSerializer = import_callable(
 JWTSerializer = import_callable(
     serializers.get('JWT_SERIALIZER', DefaultJWTSerializer))
 
+KnoxTokenSerializer = import_callable(
+    serializers.get('KNOX_TOKEN_SERIALIZER', DefaultKnoxTokenSerializer))
+
 UserDetailsSerializer = import_callable(
     serializers.get('USER_DETAILS_SERIALIZER', DefaultUserDetailsSerializer)
 )
diff --git a/rest_auth/registration/views.py b/rest_auth/registration/views.py
index ce84a0d..9e2dd6d 100644
--- a/rest_auth/registration/views.py
+++ b/rest_auth/registration/views.py
@@ -16,6 +16,7 @@ from allauth.account import app_settings as allauth_settings
 
 from rest_auth.app_settings import (TokenSerializer,
                                     JWTSerializer,
+                                    KnoxTokenSerializer,
                                     create_token)
 from rest_auth.models import TokenModel
 from rest_auth.registration.serializers import (SocialLoginSerializer,
@@ -49,6 +50,12 @@ class RegisterView(CreateAPIView):
                 'token': self.token
             }
             return JWTSerializer(data).data
+        if getattr(settings, 'REST_AUTH_TOKEN_APP', False) is 'knox':
+            data = {
+                'token': self.token
+            }
+            return KnoxTokenSerializer(data).data
+        
         else:
             return TokenSerializer(self.token).data