diff --git a/drivers/net/mmnif.c b/drivers/net/mmnif.c
index 5b608e8c..3cc2b18f 100644
--- a/drivers/net/mmnif.c
+++ b/drivers/net/mmnif.c
@@ -764,7 +764,7 @@ err_t mmnif_tx(struct netif* netif, struct pbuf* p)
 	dest_intr = mmnif_read_rx_inv_intr(dest_ip);
 
 #ifdef DEBUG_MMNIF
-	DEBUGPRINTF("\n SEND 0x%.8X\n",(char*)mpb_start_address + (dest_ip -1)*mpb_size + 2 + pos * 1792);
+	DEBUGPRINTF("\n SEND 0x%.8X with length: %d\n",(char*)mpb_start_address + (dest_ip -1)*mpb_size + 2 + pos * 1792,p->tot_len +2);
 	hex_dump(p->tot_len +2, p->payload);
 #endif
 
@@ -979,7 +979,7 @@ static void mmnif_rx(struct netif* netif)
 
 
 #ifdef DEBUG_MMNIF
-	DEBUGPRINTF("\n RECIEVED - 0x%.8X\n",data + pos);
+	DEBUGPRINTF("\n RECIEVED - 0x%.8X with legth: %d\n",data + pos,length +2);
 	hex_dump(length+2,data + pos);
 #endif