diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 9ee9587375fa..384750d5259f 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -336,6 +336,8 @@ static int nbd_set_size(struct nbd_device *nbd, loff_t bytesize,
 
 	if (nbd->config->flags & NBD_FLAG_SEND_TRIM)
 		blk_queue_max_discard_sectors(nbd->disk->queue, UINT_MAX);
+	else
+		blk_queue_max_discard_sectors(nbd->disk->queue, 0);
 	blk_queue_logical_block_size(nbd->disk->queue, blksize);
 	blk_queue_physical_block_size(nbd->disk->queue, blksize);
 
@@ -1351,7 +1353,6 @@ static void nbd_config_put(struct nbd_device *nbd)
 		nbd->config = NULL;
 
 		nbd->tag_set.timeout = 0;
-		blk_queue_max_discard_sectors(nbd->disk->queue, 0);
 
 		mutex_unlock(&nbd->config_lock);
 		nbd_put(nbd);