diff --git a/core/api.py b/core/api.py
index 21f9818c..7df689bc 100644
--- a/core/api.py
+++ b/core/api.py
@@ -2,6 +2,7 @@ from typing import Annotated
 
 import annotated_types
 from django.conf import settings
+from django.db.models import F
 from django.http import HttpResponse
 from ninja import Query
 from ninja_extra import ControllerBase, api_controller, paginate, route
@@ -56,7 +57,9 @@ class UserController(ControllerBase):
     )
     @paginate(PageNumberPaginationExtra, page_size=20)
     def search_users(self, filters: Query[UserFilterSchema]):
-        return filters.filter(User.objects.order_by("-last_login"))
+        return filters.filter(
+            User.objects.order_by(F("last_login").desc(nulls_last=True))
+        )
 
 
 DepthValue = Annotated[int, annotated_types.Ge(0), annotated_types.Le(10)]
diff --git a/core/tests/test_user.py b/core/tests/test_user.py
index 88a318c6..e119412d 100644
--- a/core/tests/test_user.py
+++ b/core/tests/test_user.py
@@ -5,6 +5,7 @@ from django.test import TestCase
 from django.urls import reverse
 from django.utils.timezone import now
 from model_bakery import baker, seq
+from model_bakery.recipe import Recipe
 
 from core.baker_recipes import subscriber_user
 from core.models import User
@@ -14,15 +15,20 @@ class TestSearchUsers(TestCase):
     @classmethod
     def setUpTestData(cls):
         User.objects.all().delete()
-        cls.users = baker.make(
+        user_recipe = Recipe(
             User,
-            _quantity=11,
             first_name=seq("First", suffix="Name"),
             last_name=seq("Last", suffix="Name"),
             nick_name=seq("Nick", suffix="Name"),
-            last_login=seq(now() - timedelta(days=30), timedelta(days=1)),
-            _bulk_create=True,
         )
+        cls.users = [
+            user_recipe.make(last_login=None),
+            *user_recipe.make(
+                last_login=seq(now() - timedelta(days=30), timedelta(days=1)),
+                _quantity=10,
+                _bulk_create=True,
+            ),
+        ]
         call_command("update_index", "core", "--remove")
 
     @classmethod