diff --git a/include/ntfs/mft.h b/include/ntfs/mft.h
index 0ece8c95..4d842949 100644
--- a/include/ntfs/mft.h
+++ b/include/ntfs/mft.h
@@ -106,7 +106,7 @@ extern int ntfs_mft_record_layout(const ntfs_volume *vol, const MFT_REF mref,
 
 extern int ntfs_mft_record_format(const ntfs_volume *vol, const MFT_REF mref);
 
-extern ntfs_inode *ntfs_mft_record_alloc(ntfs_volume *vol, s64 start);
+extern ntfs_inode *ntfs_mft_record_alloc(ntfs_volume *vol, ntfs_inode *base_ni);
 
 extern int ntfs_mft_record_free(ntfs_volume *vol, ntfs_inode *ni);