diff --git a/sys/net/if_disc.c b/sys/net/if_disc.c
index 97e23b1b343..b90a6581621 100644
--- a/sys/net/if_disc.c
+++ b/sys/net/if_disc.c
@@ -83,6 +83,7 @@ discattach(dummy)
 	ifp->if_type = IFT_LOOP;
 	ifp->if_hdrlen = 0;
 	ifp->if_addrlen = 0;
+	ifp->if_snd.ifq_maxlen = 20;
 	if_attach(ifp);
 	bpfattach(ifp, DLT_NULL, sizeof(u_int));
 }