diff --git a/kuma/core/tests/test_validators.py b/kuma/core/tests/test_validators.py
index c9d11106573..e000c8e53d6 100644
--- a/kuma/core/tests/test_validators.py
+++ b/kuma/core/tests/test_validators.py
@@ -23,11 +23,11 @@ def test_valid_javascript_identifier(self):
 
         self.assertTrue(valid_javascript_identifier("Stra\u00dfe"))
 
-        self.assertTrue(valid_javascript_identifier(br"\u0062"))  # 'b'
+        self.assertTrue(valid_javascript_identifier(rb"\u0062"))  # 'b'
 
-        self.assertFalse(valid_javascript_identifier(br"\u62"))
+        self.assertFalse(valid_javascript_identifier(rb"\u62"))
 
-        self.assertFalse(valid_javascript_identifier(br"\u0020"))
+        self.assertFalse(valid_javascript_identifier(rb"\u0020"))
 
         self.assertTrue(valid_javascript_identifier(b"_bar"))