diff --git a/apps/tasks/tests.py b/apps/tasks/tests.py
index a780723..9529f7a 100644
--- a/apps/tasks/tests.py
+++ b/apps/tasks/tests.py
@@ -7,14 +7,13 @@
     InMemoryUploadedFile,
     SimpleUploadedFile,
 )
-from django.http import HttpRequest
 from django.test import TestCase
 from django.test.client import RequestFactory
 from django.urls import resolve, reverse
 from django.utils import timezone
 
 from apps.contests.models import Contest
-from apps.submissions.forms import SubmissionForm
+from apps.submissions.forms import SubmissionForm, UploadFileForm
 from apps.submissions.models import Submission, SubmissionStatus
 from apps.tasks.admin import TaskAdmin, TaskModelForm
 from apps.tasks.models import Task
@@ -524,8 +523,8 @@ def test_handle_uploaded_file(self) -> None:
         file_content = b"Test file content"
         uploaded_file = SimpleUploadedFile("test_file.txt", file_content)
 
-        request = HttpRequest()
-        request.FILES["file"] = uploaded_file
+        request = self.factory.post(self.url, data={"file": uploaded_file})
+        request.user = self.user
 
         submission = Submission._default_manager.create(
             author=self.user,
@@ -540,10 +539,43 @@ def test_handle_uploaded_file(self) -> None:
         self.assertTrue(os.path.exists(destination_path))
 
         submission.refresh_from_db()
-        self.assertEqual(submission.status, "WJ")
+        self.assertEqual(submission.status, SubmissionStatus.WAITING_JUDGE)
 
         os.remove(destination_path)
 
+    def test_handle_uploaded_file_with_invalid_form(self) -> None:
+        file_content = b"Test file content"
+        uploaded_file = SimpleUploadedFile("test_file.txt", file_content)
+
+        invalid_request_data = {"file": uploaded_file}
+        invalid_request = self.factory.post(
+            self.url, data=invalid_request_data
+        )
+        invalid_request.user = self.user
+
+        destination_path = os.path.join("apps/tasks/uploads/", "test_file.txt")
+
+        submission = Submission._default_manager.create(
+            author=self.user,
+            task=self.task,
+            code="print('Hello, World!')",
+            status=SubmissionStatus.WAITING_JUDGE,
+        )
+
+        upload_form = UploadFileForm(
+            invalid_request.POST, invalid_request.FILES
+        )
+        self.assertFalse(upload_form.is_valid())
+        handle_uploaded_file(invalid_request, self.task.id, submission.id)
+
+        print(f"File exists: {os.path.exists(destination_path)}")
+        print(f"File path: {destination_path}")
+
+        self.assertFalse(os.path.exists(destination_path))
+
+        submission.refresh_from_db()
+        self.assertEqual(submission.status, SubmissionStatus.WAITING_JUDGE)
+
 
 class BackgroundJobTaskTest(TestCase):
     def setUp(self) -> None:
diff --git a/apps/tasks/views.py b/apps/tasks/views.py
index 4471597..0a12673 100644
--- a/apps/tasks/views.py
+++ b/apps/tasks/views.py
@@ -77,14 +77,16 @@ def handle_uploaded_file(
     uploaded_file = request.FILES.get("file")
 
     if uploaded_file:
-        with open(
-            os.path.join(destination_dir, uploaded_file.name or ""), "wb+"
-        ) as destination:
-            for chunk in uploaded_file.chunks():
-                destination.write(chunk)
-
-        submission.status = SubmissionStatus.WAITING_JUDGE
-        submission.save()
+        upload_form = UploadFileForm(request.POST, request.FILES)
+        if upload_form.is_valid():
+            with open(
+                os.path.join(destination_dir, uploaded_file.name or ""), "wb+"
+            ) as destination:
+                for chunk in uploaded_file.chunks():
+                    destination.write(chunk)
+
+            submission.status = SubmissionStatus.WAITING_JUDGE
+            submission.save()
 
 
 class DetailView(FormMixinBase, DetailViewBase):