Index: sys/netgraph/ng_tty.c
===================================================================
--- sys/netgraph/ng_tty.c
+++ sys/netgraph/ng_tty.c
@@ -439,10 +439,10 @@
 		 * Odd, we have changed from non-bypass to bypass. It is
 		 * unlikely but not impossible, flush the data first.
 		 */
-		NG_SEND_DATA_ONLY(error, sc->hook, sc->m);
+		NG_SEND_DATA_FLAGS(error, sc->hook, sc->m, NG_QUEUE);
 		sc->m = NULL;
 	}
-	NG_SEND_DATA_ONLY(error, sc->hook, m);
+	NG_SEND_DATA_FLAGS(error, sc->hook, m, NG_QUEUE);
 
 	return (total);
 }
@@ -495,7 +495,7 @@
 	/* Ship off mbuf if it's time */
 	if (sc->hotchar == -1 || c == sc->hotchar || m->m_len >= MHLEN) {
 		sc->m = NULL;
-		NG_SEND_DATA_ONLY(error, sc->hook, m);	/* Will queue */
+		NG_SEND_DATA_FLAGS(error, sc->hook, m, NG_QUEUE);
 	}
 
 	return (error);