diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c
index 5afce6ffaadf..6b2f214f0d5c 100644
--- a/drivers/block/ublk_drv.c
+++ b/drivers/block/ublk_drv.c
@@ -1658,6 +1658,9 @@ static int ublk_ctrl_add_dev(struct io_uring_cmd *cmd)
 	 */
 	ub->dev_info.flags &= UBLK_F_ALL;
 
+	if (!IS_BUILTIN(CONFIG_BLK_DEV_UBLK))
+		ub->dev_info.flags |= UBLK_F_URING_CMD_COMP_IN_TASK;
+
 	/* We are not ready to support zero copy */
 	ub->dev_info.flags &= ~UBLK_F_SUPPORT_ZERO_COPY;