diff --git a/port/moonlight/mnrs_network_driver.c b/port/moonlight/mnrs_network_driver.c
index d97c69e..ab2660a 100644
--- a/port/moonlight/mnrs_network_driver.c
+++ b/port/moonlight/mnrs_network_driver.c
@@ -869,7 +869,8 @@ ULONG              words;
     data = packet_ptr -> nx_packet_prepend_ptr;
     size = packet_ptr -> nx_packet_length;
     words = (size+3)/4;
-    while(get_ethmac_mac_intr_rx_data_avail_intr_enable(ethmac) == 0);
+    while(get_ethmac_mac_ctrl_tx_ready(ethmac) == 0)
+        ;
     set_ethmac_mac_tx(ethmac, size*8);
     for(i=0; i<size; i+=4) {
         if(i<size-3) {
@@ -935,7 +936,7 @@ VOID    _nx_mnrs_eth_recv_packet(UINT id, volatile ethmac_t* ethmac){
         set_ethmac_mac_intr_rx_data_avail_intr_enable(ethmac, 1);
         return;
     }
-    // read the first 14 bytes to get from and to mac (6bytes each) and the frame type/length
+    // read the first 14 bytes to get from and to mac address (6bytes each) and the frame type/length
     for( i = 0;i < 4;i++)
     {
         while(!get_ethmac_mac_ctrl_rx_pending(ethmac))