diff --git a/hw/net/imx_fec.c b/hw/net/imx_fec.c
index 1c415ab3b1..50c75642c6 100644
--- a/hw/net/imx_fec.c
+++ b/hw/net/imx_fec.c
@@ -429,7 +429,7 @@ static void imx_fec_do_tx(IMXFECState *s)
         frame_size += len;
         if (bd.flags & ENET_BD_L) {
             /* Last buffer in frame.  */
-            qemu_send_packet(qemu_get_queue(s->nic), frame, len);
+            qemu_send_packet(qemu_get_queue(s->nic), frame, frame_size);
             ptr = frame;
             frame_size = 0;
             s->regs[ENET_EIR] |= ENET_INT_TXF;