diff --git a/xorriso/write_run.c b/xorriso/write_run.c
index 308cd086..504184fa 100644
--- a/xorriso/write_run.c
+++ b/xorriso/write_run.c
@@ -401,9 +401,9 @@ int Xorriso_set_system_area(struct XorrisO *xorriso,
                             struct isoburn_imgen_opts *sopts,
                             int flag)
 {
- int ret, options, system_area_options, start_lba, image_blocks;
+ int ret, options, system_area_options;
  int sa_loaded, read_count, i, read_sum= 0;
- off_t iso_lba= -1;
+ off_t iso_lba= -1, start_lba, image_blocks;
  char volid[33];
  FILE *fp= NULL;
  char *buf= NULL, *bufpt= NULL, *intvl;
@@ -471,10 +471,10 @@ int Xorriso_set_system_area(struct XorrisO *xorriso,
               (((unsigned int) ub[461]) << 24));
 
      iso_lba= -1;
-     ret= isoburn_disc_get_msc1(in_drive, &start_lba);
+     ret= isoburn_disc_get_msc1_v2(in_drive, &start_lba);
      if(ret > 0) {
-        ret= isoburn_read_iso_head(in_drive, start_lba, &image_blocks,
-                                   volid, 1);
+        ret= isoburn_read_iso_head_v2(in_drive, start_lba, &image_blocks,
+                                      volid, 1);
         if(ret > 0)
           iso_lba= start_lba + image_blocks;
      }
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index 7a5cf0e3..9ecbad4c 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2024.03.21.193959"
+#define Xorriso_timestamP "2024.03.21.203354"