--- src/sys/netproto/atm/atm_if.c	2005/11/28 17:13:46	1.12
+++ src/sys/netproto/atm/atm_if.c	2005/11/30 13:35:24	1.13
@@ -509,7 +509,7 @@ atm_physif_ioctl(code, data, arg)
 				panic("AIOCF_SETNIF: unknown media");
 			}
 
-			if ((err = atm_nif_attach(nip)) != 0) {
+			if ((err = atm_nif_attach(nip, NULL)) != 0) {
 				atm_free ( (caddr_t)nip );
 
 				/*