diff --git a/libisoburn/trunk/xorriso/base_obj.c b/libisoburn/trunk/xorriso/base_obj.c
index b5aac365..9bc7d0c9 100644
--- a/libisoburn/trunk/xorriso/base_obj.c
+++ b/libisoburn/trunk/xorriso/base_obj.c
@@ -304,6 +304,7 @@ int Xorriso_new(struct XorrisO ** xorriso,char *progname, int flag)
  m->vol_expiration_time= 0;
  m->vol_effective_time= 0;
  m->vol_uuid[0]= 0;
+ m->all_file_dates[0]= 0;
 
 #ifdef Xorriso_with_libjtE
  m->libjte_handle= NULL;
diff --git a/libisoburn/trunk/xorriso/emulators.c b/libisoburn/trunk/xorriso/emulators.c
index f06632a9..e434e125 100644
--- a/libisoburn/trunk/xorriso/emulators.c
+++ b/libisoburn/trunk/xorriso/emulators.c
@@ -1282,7 +1282,6 @@ int Xorriso_genisofs(struct XorrisO *xorriso, char *whom,
  int *delay_opt_list= NULL, delay_opt_count= 0;
  char *sfe= NULL, *adr= NULL, ra_text[80], *pathspec= NULL, *sort_file= NULL;
  char *ept, *add_pt, *eff_path= NULL, *indev= NULL, msc[80], *cpt;
- char *all_file_dates= NULL;
  char *old_root= NULL, *argpt, *hargv[1];
  char *boot_path, partno_text[8], *iso_rr_pt, *disk_pt, *rpt, *wpt;
  char *rm_merge_args[3], *rr_reloc_dir_pt= NULL;
@@ -1925,11 +1924,12 @@ not_enough_args:;
      if(i+1>=argc)
        goto not_enough_args;
      i++;
-     if(all_file_dates != NULL)
-       Xorriso_free_meM(all_file_dates);
-     all_file_dates= NULL;
-     Xorriso_alloc_meM(all_file_dates, char, strlen(argv[i]) + 1);
-     strcpy(all_file_dates, argv[i]);
+     if(strlen(argv[i]) >= sizeof(xorriso->all_file_dates)) {
+       sprintf(xorriso->info_text, "--set_all_file_dates: time text too long");
+       Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "SORRY", 0);
+       ret= 0; goto problem_handler_2;
+     }
+     strcpy(xorriso->all_file_dates, argv[i]);
 
    } else if(strcmp(argpt, "-input-charset")==0) {
      i++;
@@ -2631,21 +2631,6 @@ problem_handler_boot:;
  if(xorriso->no_emul_toc & 1)
    xorriso->do_padding_by_libisofs= 1;
 
- if(all_file_dates != NULL) if(all_file_dates[0] != 0) {
-   hargv[0]= "/";
-   idx= 0;
-   ret= Xorriso_option_alter_date(xorriso, "b", all_file_dates, 1, hargv,
-                                  &idx, 1);
-   if(ret <= 0)
-     was_failure= 1;
-   idx= 0;
-   ret= Xorriso_option_alter_date(xorriso, "c", all_file_dates, 1, hargv,
-                                  &idx, 1);
-   if(ret <= 0)
-     was_failure= 1;
-   Xorriso_relax_compliance(xorriso, "always_gmt", 0);
- }
-
  if(do_print_size) {
    ret= Xorriso_option_print_size(xorriso, 1);
    goto ex;
@@ -2662,7 +2647,6 @@ ex:;
    free(weight_list);
  if(delay_opt_list != NULL)
    free(delay_opt_list);
- Xorriso_free_meM(all_file_dates);
  Xorriso_free_meM(sort_file);
  Xorriso_free_meM(sfe);
  Xorriso_free_meM(adr);
diff --git a/libisoburn/trunk/xorriso/opts_p_z.c b/libisoburn/trunk/xorriso/opts_p_z.c
index 065880a0..1ee6bd33 100644
--- a/libisoburn/trunk/xorriso/opts_p_z.c
+++ b/libisoburn/trunk/xorriso/opts_p_z.c
@@ -2133,6 +2133,15 @@ int Xorriso_option_volume_date(struct XorrisO *xorriso,
      Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "DEBUG", 0);
    }
 
+ } else if(strcmp(time_type, "all_file_dates") == 0) {
+   if(t == 0) {
+     xorriso->all_file_dates[0]= 0;
+     ret= 1; goto ex;
+   }
+   strncpy(xorriso->all_file_dates, timestring,
+           sizeof(xorriso->all_file_dates) - 1);
+   xorriso->all_file_dates[sizeof(xorriso->all_file_dates) - 1]= 0;
+
  } else if(strcmp(time_type, "c") == 0) {
    xorriso->vol_creation_time= t;
  } else if(strcmp(time_type, "m") == 0) {
diff --git a/libisoburn/trunk/xorriso/text_io.c b/libisoburn/trunk/xorriso/text_io.c
index 4c5a4666..f7809608 100644
--- a/libisoburn/trunk/xorriso/text_io.c
+++ b/libisoburn/trunk/xorriso/text_io.c
@@ -3286,6 +3286,12 @@ int Xorriso_status(struct XorrisO *xorriso, char *filter, FILE *fp, int flag)
  if(!(is_default && no_defaults))
    Xorriso_status_result(xorriso,filter,fp,flag&2);
 
+ is_default= (xorriso->all_file_dates[0] == 0);
+ sprintf(line,"-volume_date all_file_dates %s\n",
+         Text_shellsafe(xorriso->all_file_dates,sfe,0));
+ if(!(is_default && no_defaults))
+   Xorriso_status_result(xorriso,filter,fp,flag&2);
+
  is_default= (xorriso->copyright_file[0] == 0);
  sprintf(line,"-copyright_file %s\n",
         Text_shellsafe(xorriso->copyright_file,sfe,0));
diff --git a/libisoburn/trunk/xorriso/write_run.c b/libisoburn/trunk/xorriso/write_run.c
index be9ec970..9ed86a87 100644
--- a/libisoburn/trunk/xorriso/write_run.c
+++ b/libisoburn/trunk/xorriso/write_run.c
@@ -1028,6 +1028,29 @@ ex:;
 }
 
 
+int Xorriso_set_all_file_dates(struct XorrisO *xorriso, int flag)
+{
+ int idx, ret, was_failure= 0;
+ char *hargv[1];
+
+ if(xorriso->all_file_dates[0] == 0)
+   return(2);
+ hargv[0]= "/";
+ idx= 0;
+ ret= Xorriso_option_alter_date(xorriso, "b", xorriso->all_file_dates,
+                                1, hargv, &idx, 1);
+ if(ret <= 0)
+   was_failure= 1;
+ idx= 0;
+ ret= Xorriso_option_alter_date(xorriso, "c", xorriso->all_file_dates,
+                                1, hargv, &idx, 1);
+ if(ret <= 0)
+   was_failure= 1;
+ Xorriso_relax_compliance(xorriso, "always_gmt", 0);
+ return(!was_failure);
+}
+
+
 /* @param flag bit0= do not write but only prepare and return size in sectors
    @return <=0 error , 1= success
            2= failure with DVD-RW, please call Xorriso_retry_write_session()
@@ -1061,6 +1084,10 @@ int Xorriso_write_session(struct XorrisO *xorriso, int flag)
  if(ret <= 0)
    goto ex;
 
+ ret= Xorriso_set_all_file_dates(xorriso, 1);
+ if(ret <= 0)
+   goto ex;
+
  out_cs= xorriso->out_charset;
  if(out_cs == NULL)
    Xorriso_get_local_charset(xorriso, &out_cs, 0);
diff --git a/libisoburn/trunk/xorriso/xorriso_private.h b/libisoburn/trunk/xorriso/xorriso_private.h
index 74d7d7fd..7d875ebb 100644
--- a/libisoburn/trunk/xorriso/xorriso_private.h
+++ b/libisoburn/trunk/xorriso/xorriso_private.h
@@ -528,6 +528,8 @@ struct XorrisO { /* the global context of xorriso */
  /* To eventually override vol_modification_time by unconverted string
     and timezone 0 */
  char vol_uuid[17];
+ /* To flatly set all file timestamps to the same value */
+ char all_file_dates[80];
 
 #ifdef Xorriso_with_libjtE
  /* Parameters and state of Jigdo Template Export environment */
diff --git a/libisoburn/trunk/xorriso/xorriso_timestamp.h b/libisoburn/trunk/xorriso/xorriso_timestamp.h
index 4c34044b..5bcb9003 100644
--- a/libisoburn/trunk/xorriso/xorriso_timestamp.h
+++ b/libisoburn/trunk/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2016.08.15.175002"
+#define Xorriso_timestamP "2016.08.16.131434"