diff --git a/include/ntfs-3g/volume.h b/include/ntfs-3g/volume.h
index d93d773e..82eec25b 100644
--- a/include/ntfs-3g/volume.h
+++ b/include/ntfs-3g/volume.h
@@ -198,6 +198,7 @@ struct _ntfs_volume {
 	ntfs_inode *secure_ni;	/* ntfs_inode structure for FILE $Secure */
 	ntfs_index_context *secure_xsii; /* index for using $Secure:$SII */
 	ntfs_index_context *secure_xsdh; /* index for using $Secure:$SDH */
+	unsigned int secure_flags;  /* flags, see security.h for values */
 
 	int mftmirr_size;	/* Size of the FILE_MFTMirr in mft records. */
 	LCN mftmirr_lcn;	/* Logical cluster number of the data attribute