diff --git a/libisoburn/isoburn.c b/libisoburn/isoburn.c
index db936ba0..b64ac1fe 100644
--- a/libisoburn/isoburn.c
+++ b/libisoburn/isoburn.c
@@ -150,6 +150,7 @@ int isoburn_new(struct isoburn **objpt, int flag)
  o->msgs_submit_handle= NULL;
  o->msgs_submit_flag= 0;
  o->do_tao= 0;
+ o->do_fsync= 1;
  o->prev= NULL;
  o->next= NULL;
  o->target_iso_head= calloc(1, o->target_iso_head_size);
@@ -599,6 +600,7 @@ int isoburn_prepare_disc_aux(struct burn_drive *in_d, struct burn_drive *out_d,
  }
 
  out_o->do_tao = opts->do_tao;
+ out_o->do_fsync = opts->do_fsync;
 
  state = isoburn_disc_get_status(in_d);
  if (state != BURN_DISC_BLANK && state != BURN_DISC_APPENDABLE &&
@@ -1134,6 +1136,7 @@ int isoburn_igopt_new(struct isoburn_imgen_opts **new_o, int flag)
  o->hfsp_block_size= 0;
  o->apm_block_size= 0;
  o->do_tao= 0;
+ o->do_fsync= 0;
  return(1);
 }
 
@@ -1755,6 +1758,19 @@ int isoburn_igopt_get_write_type(struct isoburn_imgen_opts *opts, int *do_tao)
  return(1);
 }
 
+int isoburn_igopt_set_stdio_endsync(struct isoburn_imgen_opts *opts, 
+                                  int do_sync)
+{
+ opts->do_fsync= !!do_sync;
+ return(1);
+}
+
+int isoburn_igopt_get_stdio_endsync(struct isoburn_imgen_opts *opts, 
+                                  int *do_sync)
+{
+ *do_sync= opts->do_fsync;
+ return(1);
+}
 
 int isoburn_conv_name_chars(struct isoburn_imgen_opts *opts,
                             char *name, size_t name_len,
diff --git a/libisoburn/isoburn.h b/libisoburn/isoburn.h
index c5088b38..4fd77cce 100644
--- a/libisoburn/isoburn.h
+++ b/libisoburn/isoburn.h
@@ -166,6 +166,9 @@ struct isoburn {
 
  /* Forwarding an image generation option to the burn wrapper */
  int do_tao;
+
+ /* Forwarding an image generation option to the burn wrapper */
+ int do_fsync;
  
 };
 
@@ -705,6 +708,9 @@ struct isoburn_imgen_opts {
      */
     int do_tao;
 
+    /* Whether to fsync() stdio_drives after isoburn_activate_session() */
+    int do_fsync;
+
 };
 
 
diff --git a/libisoburn/isofs_wrap.c b/libisoburn/isofs_wrap.c
index 5e4406bd..802e91ef 100644
--- a/libisoburn/isofs_wrap.c
+++ b/libisoburn/isofs_wrap.c
@@ -375,7 +375,7 @@ int isoburn_attach_start_lba(struct burn_drive *d, int lba, int flag)
 */
 int isoburn_activate_session(struct burn_drive *drive)
 {
- int ret;
+ int ret, do_sync = 1;
  struct isoburn *o;
 
  ret = isoburn_find_emulator(&o, drive, 0);
@@ -391,9 +391,12 @@ int isoburn_activate_session(struct burn_drive *drive)
        (o->fabricated_disc_status == BURN_DISC_BLANK &&
         o->zero_nwa > 0)))
    return 1;
- 
+ ret = burn_drive_get_drive_role(drive);
+ if (ret != 1)
+   do_sync = !! o->do_fsync;
+
  ret = burn_random_access_write(drive, (off_t) 0, (char*)o->target_iso_head, 
-                                o->target_iso_head_size, 1);
+                                o->target_iso_head_size, do_sync);
 
  return ret;
 }
diff --git a/libisoburn/libisoburn.h b/libisoburn/libisoburn.h
index 7b41389f..1d40f1f8 100644
--- a/libisoburn/libisoburn.h
+++ b/libisoburn/libisoburn.h
@@ -1532,7 +1532,7 @@ int isoburn_igopt_get_scdbackup_tag(struct isoburn_imgen_opts *o,
                              numbers 2 to 8.
                              This will overwrite the first 512 bytes of
                              the submitted data.
-                          @since 1.3.6
+                          @since 1.3.8
                           4= HP-PA PALO boot sector header version 4
                              Submit all five parameters of 
                              iso_image_set_hppa_palo() as non-NULL texts.
@@ -1899,6 +1899,30 @@ int isoburn_igopt_get_hfsp_block_size(struct isoburn_imgen_opts *opts,
 int isoburn_igopt_set_write_type(struct isoburn_imgen_opts *opts, int do_tao);
 int isoburn_igopt_get_write_type(struct isoburn_imgen_opts *opts, int *do_tao);
 
+/** Set or inquire whether a final fsync(2) is performed when updating the
+    multi-session information of libburn stdio pseudo-drives by
+    isoburn_activate_session().
+    Note:
+    fsync(2) calls during and at the end of isoburn_disc_write() are controlled
+    by libburn call burn_write_opts_set_stdio_fsync().
+    @since 1.2.4
+    @param opts
+           The option set to be manipulated or inquired.
+    @parm do_sync
+           1= call fsync(2) with stdio drives in isoburn_activate_session()
+           0= do not
+    @return
+           <=0 = error, 1 = success
+ */
+int isoburn_igopt_set_stdio_endsync(struct isoburn_imgen_opts *opts,
+                                    int do_sync);
+int isoburn_igopt_get_stdio_endsync(struct isoburn_imgen_opts *opts,
+                                    int *do_sync);
+
+/* ----------------------------------------------------------------------- */
+/*                      End of Options for image generation                */
+/* ----------------------------------------------------------------------- */
+
 
 /** Frontend of libisofs call iso_conv_name_chars() controlled by
     struct isoburn_imgen_opts rather than IsoWriteOpts.
@@ -1940,11 +1964,6 @@ int isoburn_conv_name_chars(struct isoburn_imgen_opts *opts,
                             char **result, size_t *result_len, int flag);
 
 
-/* ----------------------------------------------------------------------- */
-/*                      End of Options for image generation                */
-/* ----------------------------------------------------------------------- */
-
-
 /** Get the image attached to a drive, if any.
     @since 0.1.0
     @param d The drive to inquire
diff --git a/libisoburn/libisoburn.ver b/libisoburn/libisoburn.ver
index 17e858af..96ce4dbc 100644
--- a/libisoburn/libisoburn.ver
+++ b/libisoburn/libisoburn.ver
@@ -46,6 +46,7 @@ isoburn_igopt_get_relaxed;
 isoburn_igopt_get_rr_reloc;
 isoburn_igopt_get_scdbackup_tag;
 isoburn_igopt_get_sort_files;
+isoburn_igopt_get_stdio_endsync;
 isoburn_igopt_get_system_area;
 isoburn_igopt_get_tail_blocks;
 isoburn_igopt_get_untranslated_name_len;
@@ -68,6 +69,7 @@ isoburn_igopt_set_relaxed;
 isoburn_igopt_set_rr_reloc;
 isoburn_igopt_set_scdbackup_tag;
 isoburn_igopt_set_sort_files;
+isoburn_igopt_set_stdio_endsync;
 isoburn_igopt_set_system_area;
 isoburn_igopt_set_tail_blocks;
 isoburn_igopt_set_untranslated_name_len;
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index b90d3295..8e9d034a 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2014.04.13.071908"
+#define Xorriso_timestamP "2014.04.13.120421"