diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c
index cadf623d54d4..d8d3a7b7b8a9 100644
--- a/fs/ntfs/inode.c
+++ b/fs/ntfs/inode.c
@@ -3761,7 +3761,9 @@ static s64 __ntfs_inode_non_resident_attr_pwrite(struct inode *vi,
 			struct runlist_element *rl;
 			int bio_err;
 
-			lcn_count = max_t(s64, 1, ntfs_bytes_to_cluster(vol, attr_len));
+			lcn_count = max_t(s64, 1,
+					  ntfs_bytes_to_cluster(vol, attr_len +
+								vol->cluster_size - 1));
 			vcn = ntfs_pidx_to_cluster(vol, folio->index);
 
 			do {