diff --git a/xorriso/drive_mgt.c b/xorriso/drive_mgt.c
index 7ca2dca8..dc908cb9 100644
--- a/xorriso/drive_mgt.c
+++ b/xorriso/drive_mgt.c
@@ -1,7 +1,7 @@
 
 /* xorriso - creates, loads, manipulates and burns ISO 9660 filesystem images.
 
-   Copyright 2007-2021 Thomas Schmitt, <scdbackup@gmx.net>
+   Copyright 2007-2023 Thomas Schmitt, <scdbackup@gmx.net>
 
    Provided under GPL version 2 or later.
 
@@ -1069,7 +1069,7 @@ int Xorriso_toc(struct XorrisO *xorriso, int flag)
  struct burn_multi_caps *caps= NULL;
  struct burn_drive *drive;
  enum burn_disc_status s;
- char mem_text[80], *num_free_text;
+ char mem_text[80], *num_free_text, *num_data_text;
  off_t start_byte= 0, num_free= 0, size;
  unsigned dummy;
  struct isoburn_toc_disc *disc= NULL;
@@ -1281,12 +1281,16 @@ int Xorriso_toc(struct XorrisO *xorriso, int flag)
        lba= num_blocks;
    }
 
+   if(drive_role == 5)
+     num_data_text= "occupied";
+   else
+     num_data_text= "readable";
    if(drive_role == 4 || is_bdr_pow)
      num_free_text = "unused";
    else
      num_free_text = "writable";
-   sprintf(respt, "Media blocks : %d readable , %d %s , %d overall\n",
-                  num_data, (int) num_free, num_free_text, lba);
+   sprintf(respt, "Media blocks : %d %s , %d %s , %d overall\n",
+                  num_data, num_data_text, (int) num_free, num_free_text, lba);
    Xorriso_toc_line(xorriso, flag & 8);
    if(overburn_blocks > 0) {
      sprintf(respt, "Overburnt by : %d blocks\n", overburn_blocks);
@@ -1341,10 +1345,11 @@ int Xorriso_toc(struct XorrisO *xorriso, int flag)
 
  if (disc==NULL) {
    Xorriso_process_msg_queues(xorriso,0);
+   nwa= 0;
    if(drive_role == 5 && s == BURN_DISC_APPENDABLE) {
      ret= burn_disc_track_lba_nwa(drive, NULL, 0, &lba, &nwa);
      if(ret != 1)
-       lba= 0;
+       nwa= 0;
    } else {
      ret= isoburn_get_min_start_byte(drive, &start_byte, 0);
      nwa= start_byte / 2048;
@@ -1381,10 +1386,11 @@ int Xorriso_toc(struct XorrisO *xorriso, int flag)
      } else {
        num_data_from_format= 1;
      }
-     nwa= lba + size / 2048;
-     num_data= nwa - lba;
+     num_data= size / 2048;
+     if(num_data == 0 && drive_role == 5 && s == BURN_DISC_APPENDABLE)
+       num_data= nwa;
      sprintf(respt, "%13s: %3d , %9d , %9ds , \n",
-             typetext, 1, lba, num_data);
+             typetext, 1, 0, num_data);
    } 
    if(!(flag&1))
      Xorriso_toc_line(xorriso, flag & 8);
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index ce1f6332..034c0b7c 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2022.12.28.083915"
+#define Xorriso_timestamP "2023.01.09.144346"