diff --git a/src/jwtauth/serializers.py b/src/jwtauth/serializers.py
index fefccf1..c2bdd46 100644
--- a/src/jwtauth/serializers.py
+++ b/src/jwtauth/serializers.py
@@ -55,7 +55,7 @@ class LoginSerializer(serializers.Serializer):
                 'A password is required to log in'
             )
 
-        user = authenticate(username=email, password=password)
+        user = authenticate(email=email, password=password)
 
         if user is None:
             raise serializers.ValidationError(
diff --git a/src/jwtauth/views.py b/src/jwtauth/views.py
index a1f1a7c..888dc6b 100644
--- a/src/jwtauth/views.py
+++ b/src/jwtauth/views.py
@@ -105,7 +105,8 @@ class RegistrationAPIView(APIView):
         serializer.is_valid(raise_exception=True)
         serializer.save()
         ProfileRepository.create(user=UserRepository.get(serializer.data['email']))
-        QRCodeRepository.create(qr_str=encrypt(serializer.data['email']), user=UserRepository.get(serializer.data['email']))
+        QRCodeRepository.create(qr_str=encrypt(serializer.data['email']),
+                                user=UserRepository.get(serializer.data['email']))
         return Response(serializer.data, status=status.HTTP_201_CREATED)