diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index d011f7d..8bf04df 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -8628,7 +8628,7 @@
                 if (PyNumber_Check(v)) {
                     PyObject *iobj=NULL;
 
-                    if (PyInt_Check(v) || (PyLong_Check(v))) {
+                    if (_PyAnyInt_Check(v)) {
                         iobj = v;
                         Py_INCREF(iobj);
                     }