diff --git a/formtools/tests/wizard/test_forms.py b/formtools/tests/wizard/test_forms.py
index 14c6e6a..7425755 100644
--- a/formtools/tests/wizard/test_forms.py
+++ b/formtools/tests/wizard/test_forms.py
@@ -60,9 +60,11 @@ class TestModel(models.Model):
 class TestModelForm(forms.ModelForm):
     class Meta:
         model = TestModel
+        fields = '__all__'
 
 
-TestModelFormSet = forms.models.modelformset_factory(TestModel, form=TestModelForm, extra=2)
+TestModelFormSet = forms.models.modelformset_factory(TestModel, form=TestModelForm, extra=2,
+                                                     fields='__all__')
 
 
 class TestWizard(WizardView):
diff --git a/formtools/tests/wizard/wizardtests/tests.py b/formtools/tests/wizard/wizardtests/tests.py
index 1ee5dbd..3c2dbc3 100644
--- a/formtools/tests/wizard/wizardtests/tests.py
+++ b/formtools/tests/wizard/wizardtests/tests.py
@@ -15,6 +15,7 @@ from django.utils._os import upath
 class UserForm(forms.ModelForm):
     class Meta:
         model = User
+        fields = '__all__'
 
 
 UserFormSet = forms.models.modelformset_factory(User, form=UserForm, extra=2)