diff --git a/tests/videodinges/factories.py b/tests/videodinges/factories.py
index 4a09346..d9a7ead 100644
--- a/tests/videodinges/factories.py
+++ b/tests/videodinges/factories.py
@@ -28,6 +28,8 @@ def create(model: Type[T], **kwargs) -> T:
 	if model is models.Upload:
 		return _create_with_defaults(models.Upload, kwargs, file=SimpleUploadedFile('some_file.txt', b'some contents'))
 
+	raise NotImplementedError('Factory for %s not implemented' % model)
+
 
 def _create_with_defaults(model: Type[T], kwargs: dict, **defaults) -> T:
 	"""
diff --git a/tests/videodinges/test_factories/test_create.py b/tests/videodinges/test_factories/test_create.py
new file mode 100644
index 0000000..53b9ace
--- /dev/null
+++ b/tests/videodinges/test_factories/test_create.py
@@ -0,0 +1,16 @@
+from django.db import models
+
+from tests.videodinges import factories
+from django.test import TestCase
+
+class CreateTestCase(TestCase):
+
+	def test_factory_returns_model(self):
+
+		class NotImplementedModel(models.Model):
+			class Meta:
+				app_label = 'some_test_label'
+
+		with self.assertRaises(NotImplementedError):
+			factories.create(NotImplementedModel)
+