diff --git a/Include/unicodeobject.h b/Include/unicodeobject.h
index be45b02..235c677 100644
--- a/Include/unicodeobject.h
+++ b/Include/unicodeobject.h
@@ -616,9 +616,11 @@
 #endif
 
 /* Get a copy of a Unicode string. */
-PyAPI_FUNC(PyObject*) PyUnicode_Copy(
+#ifndef Py_LIMITED_API
+PyAPI_FUNC(PyObject*) _PyUnicode_Copy(
     PyObject *unicode
     );
+#endif
 
 /* Copy character from one unicode object into another, this function performs
    character conversion when necessary and falls back to memcpy if possible.