diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index 79faa18c176b8397ed23bd5bc7a30a560a54292a..07ede0adb0cd8d86e08aafae7f8acad1f563ae93 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -2655,7 +2655,7 @@ posix__getfinalpathname(PyObject *self, PyObject *args)
     PyObject *result;
     wchar_t *path;
     
-    if (!PyArg_ParseTuple(args, "u|:_getfullpathname", &path)) {
+    if (!PyArg_ParseTuple(args, "u|:_getfinalpathname", &path)) {
         return NULL;
     }