diff --git a/graphene_django/tests/models.py b/graphene_django/tests/models.py
index 2dca015..6e552e9 100644
--- a/graphene_django/tests/models.py
+++ b/graphene_django/tests/models.py
@@ -4,7 +4,7 @@ from __future__ import absolute_import
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
 
-CHOICES = ((1, u"1: this漢"), (2, _(u"2: that漢")), (3, "__amount__"))
+CHOICES = ((1, u"1: this漢"), (2, _(u"2: that漢")), (u'_3漢', "__amount__"))
 
 
 class Pet(models.Model):
diff --git a/graphene_django/tests/test_types.py b/graphene_django/tests/test_types.py
index 464d5f7..7b32edd 100644
--- a/graphene_django/tests/test_types.py
+++ b/graphene_django/tests/test_types.py
@@ -172,9 +172,9 @@ type Reporter {
 }
 
 enum ReporterAChoice {
-  A_1_THIS
-  A_2_THAT
-  A__AMOUNT__
+  A_1
+  A_2
+  A_3
 }
 
 enum ReporterReporterType {