diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index b430e03260fb..651f0865bb0d 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -8222,8 +8222,8 @@ long btrfs_ioctl_send(struct inode *inode, struct btrfs_ioctl_send_args *arg)
 		goto out;
 	}
 
-	sctx->clone_roots = kvcalloc(sizeof(*sctx->clone_roots),
-				     arg->clone_sources_count + 1,
+	sctx->clone_roots = kvcalloc(arg->clone_sources_count + 1,
+				     sizeof(*sctx->clone_roots),
 				     GFP_KERNEL);
 	if (!sctx->clone_roots) {
 		ret = -ENOMEM;