diff --git a/rustbpe/src/lib.rs b/rustbpe/src/lib.rs
index b43fb6c..273d7f2 100644
--- a/rustbpe/src/lib.rs
+++ b/rustbpe/src/lib.rs
@@ -292,8 +292,7 @@ impl Tokenizer {
 
         // Prepare a true Python iterator object
         let py_iter: pyo3::Py<pyo3::PyAny> = unsafe {
-            pyo3::Bound::from_borrowed_ptr_or_err(py, pyo3::ffi::PyObject_GetIter(iterator.as_ptr()))?
-                .into()
+            pyo3::Py::from_owned_ptr_or_err(py, pyo3::ffi::PyObject_GetIter(iterator.as_ptr()))?
         };
 
         // Global chunk counts