diff --git a/eden/scm/lib/cpython-ext/src/bytesobject.rs b/eden/scm/lib/cpython-ext/src/bytesobject.rs
index c16268ba4c290..8b77157373c76 100644
--- a/eden/scm/lib/cpython-ext/src/bytesobject.rs
+++ b/eden/scm/lib/cpython-ext/src/bytesobject.rs
@@ -7,13 +7,13 @@
 
 use std::mem;
 use std::os::raw::c_char;
+use std::ptr::addr_of_mut;
 use std::slice;
 
 use cpython::PyObject as RustPyObject;
 use cpython::Python as RustPythonGILGuard;
 use ffi::PyBytes_Type;
 use ffi::PyObject;
-use ffi::PyTypeObject;
 use ffi::PyVarObject;
 use ffi::Py_hash_t;
 use ffi::Py_ssize_t;
@@ -34,7 +34,7 @@ struct PyBytesObject {
 pub fn allocate_pybytes(py: RustPythonGILGuard<'_>, size: usize) -> (RustPyObject, &mut [u8]) {
     unsafe {
         let ptr: *mut PyVarObject = _PyObject_NewVar(
-            &mut PyBytes_Type as *mut PyTypeObject,
+            addr_of_mut!(PyBytes_Type),
             (size + mem::size_of::<PyBytesObject>()) as Py_ssize_t,
         );
         let mut ptr: *mut PyObject = mem::transmute(ptr);