diff --git a/Lib/test/test_bool.py b/Lib/test/test_bool.py
index 6da00aacd6..cc547fbfde 100644
--- a/Lib/test/test_bool.py
+++ b/Lib/test/test_bool.py
@@ -6,9 +6,6 @@
 import os
 
 class BoolTest(unittest.TestCase):
-
-    # TODO: RUSTPYTHON
-    @unittest.expectedFailure
     def test_subclass(self):
         try:
             class C(bool):
diff --git a/vm/src/builtins/int.rs b/vm/src/builtins/int.rs
index 46b81de56b..1db61d5f08 100644
--- a/vm/src/builtins/int.rs
+++ b/vm/src/builtins/int.rs
@@ -1,4 +1,4 @@
-use super::{float, PyByteArray, PyBytes, PyStr, PyType, PyTypeRef};
+use super::{float, PyBool, PyByteArray, PyBytes, PyStr, PyType, PyTypeRef};
 use crate::{
     builtins::PyStrRef,
     bytesinner::PyBytesInner,
@@ -213,6 +213,11 @@ impl Constructor for PyInt {
     type Args = IntOptions;
 
     fn py_new(cls: PyTypeRef, options: Self::Args, vm: &VirtualMachine) -> PyResult {
+        if cls.is(PyBool::class(vm)) {
+            return Err(
+                vm.new_type_error("int.__new__(bool) is not safe, use bool.__new__()".to_owned())
+            );
+        }
         let value = if let OptionalArg::Present(val) = options.val_options {
             if let OptionalArg::Present(base) = options.base {
                 let base = base