diff --git a/src/udev/udev-builtin-net_id.c b/src/udev/udev-builtin-net_id.c
index e94fff2520..169d6ce8f7 100644
--- a/src/udev/udev-builtin-net_id.c
+++ b/src/udev/udev-builtin-net_id.c
@@ -330,8 +330,9 @@ static int dev_pci_slot(sd_device *dev, struct netnames *names) {
                         char str[PATH_MAX];
                         _cleanup_free_ char *address = NULL;
 
-                        if (dent->d_name[0] == '.')
+                        if (dot_or_dot_dot(dent->d_name))
                                 continue;
+
                         r = safe_atou_full(dent->d_name, 10, &i);
                         if (r < 0 || i <= 0)
                                 continue;