diff --git a/authentication/views.py b/authentication/views.py
index 0bc6974..4fcf9db 100644
--- a/authentication/views.py
+++ b/authentication/views.py
@@ -18,7 +18,7 @@ from .models import Device, LoginLog
 
 from .serializers import ChangePasswordSerializer
 
-CustomUser=get_user_model()
+CustomUser=settings.AUTH_USER_MODEL
 
 @method_decorator(csrf_exempt, name='dispatch')
 class CustomAuthToken(APIView):