diff --git a/Modules/_testcapimodule.c b/Modules/_testcapimodule.c
index f09205f63cc..b25f4434ffa 100644
--- a/Modules/_testcapimodule.c
+++ b/Modules/_testcapimodule.c
@@ -3812,7 +3812,7 @@ test_PyTime_AsTimeval(PyObject *self, PyObject *args)
     if (_PyTime_AsTimeval(t, &tv, round) < 0)
         return NULL;
 
-    seconds = PyLong_FromLong((long long)tv.tv_sec);
+    seconds = PyLong_FromLongLong(tv.tv_sec);
     if (seconds == NULL)
         return NULL;
     return Py_BuildValue("Nl", seconds, tv.tv_usec);