diff --git a/hw/net/smc91c111.c b/hw/net/smc91c111.c
index f5963e2..a8e29b3 100644
--- a/hw/net/smc91c111.c
+++ b/hw/net/smc91c111.c
@@ -185,6 +185,7 @@
     s->allocated &= ~(1 << packet);
     if (s->tx_alloc == 0x80)
         smc91c111_tx_alloc(s);
+    qemu_flush_queued_packets(qemu_get_queue(s->nic));
 }
 
 /* Flush the TX FIFO.  */