diff --git a/libisoburn/trunk/xorriso/xorriso_timestamp.h b/libisoburn/trunk/xorriso/xorriso_timestamp.h
index 2d6ce51c..5d7fb6a4 100644
--- a/libisoburn/trunk/xorriso/xorriso_timestamp.h
+++ b/libisoburn/trunk/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2008.11.09.102554"
+#define Xorriso_timestamP "2008.11.10.123332"
diff --git a/libisoburn/trunk/xorriso/xorrisoburn.c b/libisoburn/trunk/xorriso/xorrisoburn.c
index 4f9fe7ca..a61bcd85 100644
--- a/libisoburn/trunk/xorriso/xorrisoburn.c
+++ b/libisoburn/trunk/xorriso/xorrisoburn.c
@@ -1113,13 +1113,17 @@ int Xorriso_write_session(struct XorrisO *xorriso, int flag)
        {ret= 0; goto ex;}
      }
 
+#ifdef NIX
 #ifdef Xorriso_with_make_isohybrid_mbR
 
      /* ??? must the boot image have a low LBA to boot from MBR ? */
+     /* A81110: Does not look so. The proplems were caused by wrong
+                self-LBA in isolinux.bin at byte 12 to 15 */
      isoburn_igopt_set_sort_files(sopts, isoburn_igopt_sort_files_by_weight);
      iso_node_set_sort_weight(node, 0x7fffffff);
 
 #endif
+#endif /* NIX */
 
      ret= Xorriso_node_from_path(xorriso, image, xorriso->boot_image_cat_path,
                                  &node, 1);