diff --git a/opal/core/lookuplists.py b/opal/core/lookuplists.py
index 7b7164f2d..2bac13359 100644
--- a/opal/core/lookuplists.py
+++ b/opal/core/lookuplists.py
@@ -124,7 +124,7 @@ class Meta:
         abstract = True
         unique_together = ('code', 'system')
 
-    def __unicode__(self):
+    def __str__(self):
         return self.name
 
     def to_dict(self, user):
diff --git a/opal/tests/test_lookuplists.py b/opal/tests/test_lookuplists.py
index 69b65a974..c1ca74a5e 100644
--- a/opal/tests/test_lookuplists.py
+++ b/opal/tests/test_lookuplists.py
@@ -152,8 +152,8 @@ def test_create_instance_allow_no_symptom(self):
 
 
 class LookupListClassTestCase(AbstractLookupListTestCase):
-    def test_unicode(self):
-        self.assertEqual(self.hat.__unicode__(), u"Cowboy")
+    def test_str(self):
+        self.assertEqual(self.hat.__str__(), u"Cowboy")
 
     def test_to_dict(self):
         self.assertEqual(self.hat.to_dict(self.user), "Cowboy")