diff --git a/libisoburn/trunk/xorriso/iso_img.c b/libisoburn/trunk/xorriso/iso_img.c
index 8ccd96d0..40108649 100644
--- a/libisoburn/trunk/xorriso/iso_img.c
+++ b/libisoburn/trunk/xorriso/iso_img.c
@@ -1370,26 +1370,27 @@ int Xorriso_set_hppa_boot_parm(struct XorrisO *xorriso, char *text, char *what,
 int Xorriso_coordinate_system_area(struct XorrisO *xorriso, int sa_type,
                                    int options, char *cmd, int flag)
 {
- int old_type, old_options;
+ int old_type, old_options, new_options;
  static char *type_names[4] = {
       "MBR", "MIPS Big Endian Volume Header", "MIPS Little Endian Boot Block",
       "SUN Disk Label"};
 
  old_type= (xorriso->system_area_options & 0xfc) >> 2;
- old_options= xorriso->system_area_options & ~0x40fc;
+ old_options= xorriso->system_area_options & 0x7c03;
+ new_options= options & 0x7c03;
  if((old_type != 0 || old_options != 0) &&
-    (old_type != sa_type || (old_options != 0 && old_options != options))) {
+    (old_type != sa_type || (old_options != 0 && old_options != new_options))){
    sprintf(xorriso->info_text, "%s : First sector already occupied by %s",
            cmd, old_type < 4 ? type_names[old_type] : "other boot facility");
-   if(old_type == 0 && old_options == 2)
+   if(old_type == 0 && (old_options & 2))
      strcat(xorriso->info_text, " for ISOLINUX isohybrid");
-   if(old_type == 0 && old_options == 1)
+   if(old_type == 0 && (old_options & 1))
      strcat(xorriso->info_text, " for partition table");
    Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
    goto hint_revoke;
  }
- xorriso->system_area_options= (xorriso->system_area_options & 0x4000) |
-                               ((sa_type << 2) & 0xfc) | (options & ~0x40fc);
+ xorriso->system_area_options= (xorriso->system_area_options & ~0x7cff) |
+                               ((sa_type << 2) & 0xfc) | (options & 0x7c03);
  if(sa_type == 0)
    xorriso->patch_system_area= xorriso->system_area_options;
  return(1);
diff --git a/libisoburn/trunk/xorriso/xorriso_private.h b/libisoburn/trunk/xorriso/xorriso_private.h
index b4ec5cf1..68b57bde 100644
--- a/libisoburn/trunk/xorriso/xorriso_private.h
+++ b/libisoburn/trunk/xorriso/xorriso_private.h
@@ -414,6 +414,7 @@ struct XorrisO { /* the global context of xorriso */
                                                0 = auto (align if bit1)
                                                1 = always align
                                                2 = never align
+                                               3 = align external partitions
                                          bit10-13= System area sub type
                                                With type 0 = MBR:
                                                Gets overridden by bit0 and bit1.
@@ -424,6 +425,7 @@ struct XorrisO { /* the global context of xorriso */
                                                    any other feature which
                                                    needs to have own MBR
                                                    partition entries.
+                                               2 = generic MBR
                                          bit14= Only with System area type 0
                                                GRUB2 boot provisions:
                                                Patch system area at byte 92 to
diff --git a/libisoburn/trunk/xorriso/xorriso_timestamp.h b/libisoburn/trunk/xorriso/xorriso_timestamp.h
index be98a74d..373b13c4 100644
--- a/libisoburn/trunk/xorriso/xorriso_timestamp.h
+++ b/libisoburn/trunk/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2014.03.14.134138"
+#define Xorriso_timestamP "2014.03.25.195908"