diff --git a/libntfs-3g/acls.c b/libntfs-3g/acls.c
index 3ea5c9f5..d9fe7076 100644
--- a/libntfs-3g/acls.c
+++ b/libntfs-3g/acls.c
@@ -635,12 +635,14 @@ BOOL ntfs_valid_descr(const char *securattr, unsigned int attrsz)
 			 * but "Dr Watson" has SE_DACL_PRESENT though no DACL
 			 */
 		&& (!offdacl
-                    || ((pdacl->revision == ACL_REVISION)
-		       && (phead->control & SE_DACL_PRESENT)))
+		    || ((phead->control & SE_DACL_PRESENT)
+			&& ((pdacl->revision == ACL_REVISION)
+			   || (pdacl->revision == ACL_REVISION_DS))))
 			/* same for SACL */
 		&& (!offsacl
-                    || ((psacl->revision == ACL_REVISION)
-		       && (phead->control & SE_SACL_PRESENT)))) {
+		    || ((phead->control & SE_SACL_PRESENT)
+			&& ((psacl->revision == ACL_REVISION)
+			    || (psacl->revision == ACL_REVISION_DS))))) {
 			/*
 			 *  Check the DACL and SACL if present
 			 */