diff --git a/Objects/longobject.c b/Objects/longobject.c
index e8d315d..e2ab078 100644
--- a/Objects/longobject.c
+++ b/Objects/longobject.c
@@ -786,7 +786,7 @@
 	if (Py_SIZE(v) < 0) {
 		ndigits = -(Py_SIZE(v));
 		if (!is_signed) {
-			PyErr_SetString(PyExc_TypeError,
+			PyErr_SetString(PyExc_OverflowError,
 				"can't convert negative int to unsigned");
 			return -1;
 		}