diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index b7e5046325..b122dc2db7 100644
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -635,9 +635,9 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
 		priv->mps = mps; /* Enable MPW by default if supported. */
 		priv->cqe_comp = 1; /* Enable compression by default. */
 		priv->tunnel_en = tunnel_en;
-		/* Enable vector by default if supported. */
-		priv->tx_vec_en = 1;
-		priv->rx_vec_en = 1;
+		/* Disable vector by default. */
+		priv->tx_vec_en = 0;
+		priv->rx_vec_en = 0;
 		err = mlx5_args(&args, pci_dev->device.devargs);
 		if (err) {
 			ERROR("failed to process device arguments: %s",