diff --git a/remarkbox/tests/test_models.py b/remarkbox/tests/test_models.py
index b5ffda9..2ee6acd 100644
--- a/remarkbox/tests/test_models.py
+++ b/remarkbox/tests/test_models.py
@@ -138,20 +138,20 @@ class TestNamespace(unittest.TestCase):
         self.namespace.subscription_type = "production"
         self.namespace.link_protection = True
         self.namespace.hide_powered_by = True
-        self.namespace.mathjax = True
+        self.namespace.katex = True
         self.assertTrue(self.namespace.link_protection)
         self.assertTrue(self.namespace.hide_powered_by)
-        self.assertTrue(self.namespace.mathjax)
+        self.assertTrue(self.namespace.katex)
         self.assertFalse(self.namespace.memoized_attr_protection)
 
     def test_namespace_development_custom_settings(self):
         self.namespace.subscription_type = "development"
         self.namespace.link_protection = True
         self.namespace.hide_powered_by = True
-        self.namespace.mathjax = True
+        self.namespace.katex = True
         self.assertFalse(self.namespace.link_protection)
         self.assertFalse(self.namespace.hide_powered_by)
-        self.assertFalse(self.namespace.mathjax)
+        self.assertFalse(self.namespace.katex)
         self.assertTrue(self.namespace.memoized_attr_protection)
 
     def test_namespace_simulate_expired_subscription(self):
@@ -159,10 +159,10 @@ class TestNamespace(unittest.TestCase):
         self.namespace.subscription_type = "production"
         self.namespace.link_protection = True
         self.namespace.hide_powered_by = True
-        self.namespace.mathjax = True
+        self.namespace.katex = True
         self.assertTrue(self.namespace.link_protection)
         self.assertTrue(self.namespace.hide_powered_by)
-        self.assertTrue(self.namespace.mathjax)
+        self.assertTrue(self.namespace.katex)
 
         # next the namespace subscription expires with custom settings.
         self.namespace.subscription_type = "development"
@@ -170,7 +170,7 @@ class TestNamespace(unittest.TestCase):
         self.assertTrue(self.namespace.memoized_attr_protection)
         self.assertFalse(self.namespace.link_protection)
         self.assertFalse(self.namespace.hide_powered_by)
-        self.assertFalse(self.namespace.mathjax)
+        self.assertFalse(self.namespace.katex)
 
         # finally the namespace subscription is renewed with custom settings.
         self.namespace.subscription_type = "production"
@@ -178,7 +178,7 @@ class TestNamespace(unittest.TestCase):
         self.assertFalse(self.namespace.memoized_attr_protection)
         self.assertTrue(self.namespace.link_protection)
         self.assertTrue(self.namespace.hide_powered_by)
-        self.assertTrue(self.namespace.mathjax)
+        self.assertTrue(self.namespace.katex)
 
 class TestNamespaceRequest(unittest.TestCase):