diff --git a/drivers/net/ethernet/oa_tc6.c b/drivers/net/ethernet/oa_tc6.c
index 657b1c6119da..eea00b41fb8d 100644
--- a/drivers/net/ethernet/oa_tc6.c
+++ b/drivers/net/ethernet/oa_tc6.c
@@ -771,6 +771,10 @@ static void oa_tc6_disable_traffic(struct oa_tc6 *tc6)
 	skb = oa_tc6_detach_waiting_tx_skb(tc6);
 	spin_unlock_bh(&tc6->tx_skb_lock);
 
+	/* disable_traffic, when set, is a point of no return to
+	 * working state. Keeping the TX queues disabled.
+	 */
+	netif_tx_disable(tc6->netdev);
 	oa_tc6_drop_tx_skb(tc6, skb);
 	oa_tc6_free_ongoing_skbs(tc6);
 	oa_tc6_write_register(tc6, OA_TC6_REG_INT_MASK0, regval);