diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 5c77e6a48705..4e8b87d1ffa9 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -4693,8 +4693,9 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
 		(*post_ptr)++;
 
 		if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
-			u32 idx = *post_ptr % TG3_RX_RING_SIZE;
-			tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG, idx);
+			tpr->rx_std_prod_idx = std_prod_idx % TG3_RX_RING_SIZE;
+			tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
+				     tpr->rx_std_prod_idx);
 			work_mask &= ~RXD_OPAQUE_RING_STD;
 			rx_std_posted = 0;
 		}