diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 3668b17..11a98df 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1012,7 +1012,7 @@
 	if (!md->tio_pool)
 		goto bad3;
 
-	md->bs = bioset_create(16, 16, 4);
+	md->bs = bioset_create(16, 16);
 	if (!md->bs)
 		goto bad_no_bioset;