diff --git a/net/phonet/pep-gprs.c b/net/phonet/pep-gprs.c
index 66dc65e..e9a83a63 100644
--- a/net/phonet/pep-gprs.c
+++ b/net/phonet/pep-gprs.c
@@ -267,7 +267,7 @@
 		return -EINVAL; /* need packet boundaries */
 
 	/* Create net device */
-	dev = alloc_netdev(sizeof(*gp), ifname, gprs_setup);
+	dev = alloc_netdev(sizeof(*gp), ifname, NET_NAME_UNKNOWN, gprs_setup);
 	if (!dev)
 		return -ENOMEM;
 	gp = netdev_priv(dev);