diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c
index aa2224aa7caa..65cd61a4145e 100644
--- a/drivers/block/null_blk.c
+++ b/drivers/block/null_blk.c
@@ -579,7 +579,7 @@ static int null_add_dev(void)
 	sector_div(size, bs);
 	set_capacity(disk, size);
 
-	disk->flags |= GENHD_FL_EXT_DEVT;
+	disk->flags |= GENHD_FL_EXT_DEVT | GENHD_FL_SUPPRESS_PARTITION_INFO;
 	disk->major		= null_major;
 	disk->first_minor	= nullb->index;
 	disk->fops		= &null_fops;