diff --git a/fs/ntfs3/index.c b/fs/ntfs3/index.c
index 1bf2a6593dec..15f3a711ea0a 100644
--- a/fs/ntfs3/index.c
+++ b/fs/ntfs3/index.c
@@ -478,6 +478,7 @@ static int indx_find_free(struct ntfs_index *indx,
        struct ATTR_LIST_ENTRY *le = NULL;
        const struct INDEX_NAMES *in = &s_index_names[indx->type];
        int err;
+       u64 bm_size;