diff --git a/psutil/_psutil_windows.c b/psutil/_psutil_windows.c
index d908a1c7d..1d1fd939a 100644
--- a/psutil/_psutil_windows.c
+++ b/psutil/_psutil_windows.c
@@ -2304,8 +2304,8 @@ psutil_net_io_counters(PyObject *self, PyObject *args) {
         py_nic_info = Py_BuildValue("(KKKKKKKK)",
                                     pIfRow->OutOctets,
                                     pIfRow->InOctets,
-                                    pIfRow->OutUcastPkts,
-                                    pIfRow->InUcastPkts,
+                                    (pIfRow->OutUcastPkts + pIfRow->OutNUcastPkts),
+                                    (pIfRow->InUcastPkts + pIfRow->InNUcastPkts),
                                     pIfRow->InErrors,
                                     pIfRow->OutErrors,
                                     pIfRow->InDiscards,
@@ -2314,8 +2314,8 @@ psutil_net_io_counters(PyObject *self, PyObject *args) {
         py_nic_info = Py_BuildValue("(kkkkkkkk)",
                                     pIfRow->dwOutOctets,
                                     pIfRow->dwInOctets,
-                                    pIfRow->dwOutUcastPkts,
-                                    pIfRow->dwInUcastPkts,
+                                    (pIfRow->dwOutUcastPkts + pIfRow->dwOutNUcastPkts),
+                                    (pIfRow->dwInUcastPkts + pIfRow->dwInNUcastPkts),
                                     pIfRow->dwInErrors,
                                     pIfRow->dwOutErrors,
                                     pIfRow->dwInDiscards,