diff --git a/Lib/test/test_sys.py b/Lib/test/test_sys.py
index 527e762..f065bf7 100644
--- a/Lib/test/test_sys.py
+++ b/Lib/test/test_sys.py
@@ -742,9 +742,9 @@
             def bar(cls):
                 pass
             # staticmethod
-            check(foo, size(h + 'P'))
+            check(foo, size(h + 'PP'))
             # classmethod
-            check(bar, size(h + 'P'))
+            check(bar, size(h + 'PP'))
         # generator
         def get_gen(): yield 1
         check(get_gen(), size(h + 'Pi2P'))