diff --git a/Lib/test/test_descrtut.py b/Lib/test/test_descrtut.py
index 94e9845..514e398 100644
--- a/Lib/test/test_descrtut.py
+++ b/Lib/test/test_descrtut.py
@@ -209,6 +209,7 @@
      '__setitem__',
      '__setslice__',
      '__str__',
+     '__subclasshook__',
      'append',
      'count',
      'extend',