diff --git a/Lib/test/test_marshal.py b/Lib/test/test_marshal.py
index 29dda98..a8a43d2 100644
--- a/Lib/test/test_marshal.py
+++ b/Lib/test/test_marshal.py
@@ -222,7 +222,10 @@
         # Create a deeply nested structure.
         head = last = []
         # The max stack depth should match the value in Python/marshal.c.
-        if os.name == 'nt' and hasattr(sys, 'gettotalrefcount'):
+        # BUG: https://bugs.python.org/issue33720
+        # Windows always limits the maximum depth on release and debug builds
+        #if os.name == 'nt' and hasattr(sys, 'gettotalrefcount'):
+        if os.name == 'nt':
             MAX_MARSHAL_STACK_DEPTH = 1000
         else:
             MAX_MARSHAL_STACK_DEPTH = 2000