diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c
index 176657dce3e3..4e159948c912 100644
--- a/drivers/block/ublk_drv.c
+++ b/drivers/block/ublk_drv.c
@@ -2178,6 +2178,7 @@ static int ublk_ctrl_start_dev(struct ublk_device *ub, struct io_uring_cmd *cmd)
 		.virt_boundary_mask	= p->virt_boundary_mask,
 		.max_segments		= USHRT_MAX,
 		.max_segment_size	= UINT_MAX,
+		.dma_alignment		= 3,
 	};
 	struct gendisk *disk;
 	int ret = -EINVAL;