diff --git a/tests/test_pyo3test.rs b/tests/test_pyo3test.rs
index 7ba69d5df12..241977f5346 100644
--- a/tests/test_pyo3test.rs
+++ b/tests/test_pyo3test.rs
@@ -1,5 +1,5 @@
 #![cfg(all(feature = "testing", not(any(PyPy, GraalPy))))]
-use pyo3::prelude::*;
+use pyo3::{prelude::*, types::PyDict};
 
 // The example from the Guide ...
 fn o3_addone(num: isize) -> isize {
@@ -23,10 +23,13 @@ fn py_adders(module: &Bound<'_, PyModule>) -> PyResult<()> {
 // adders.addone is correctly constructed.
 #[test]
 fn test_pyo3test_without_macro() {
-    pyo3::append_to_inittab!(py_adders);
     pyo3::prepare_freethreaded_python();
     Python::with_gil(|py| {
-        let adders = py.import_bound("adders").expect("Failed to import adders");
+        let sys = PyModule::import_bound(py, "sys").unwrap();
+        let py_modules: Bound<'_, PyDict> = sys.getattr("modules").unwrap().downcast_into().unwrap();
+        let py_adders_pymodule = unsafe {Bound::from_owned_ptr(py, py_adders::__pyo3_init())};
+        py_modules.set_item("adders", py_adders_pymodule).expect("Failed to import adders");
+        let adders = py_modules.get_item("adders").unwrap().unwrap();
         let addone = adders
             .getattr("addone")
             .expect("Failed to get addone function");