diff --git a/xorriso/drive_mgt.c b/xorriso/drive_mgt.c
index a07ce508..466227b1 100644
--- a/xorriso/drive_mgt.c
+++ b/xorriso/drive_mgt.c
@@ -1601,7 +1601,7 @@ int Xorriso_choose_speed_factor(struct XorrisO *xorriso,
 int Xorriso_list_speeds_sub(struct XorrisO *xorriso, int flag)
 {
  int ret, high= -1, low= 0x7fffffff, is_cd= 0, i, speed;
- int recent_profile= 0, inout_flag;
+ int recent_profile= 0, inout_flag, prev_speed= -1;
  char *respt, *speed_unit= "D";
  double speed_factor= 1385000.0, cd_factor= 75.0 * 2352;
  struct burn_drive_info *dinfo;
@@ -1666,6 +1666,9 @@ int Xorriso_list_speeds_sub(struct XorrisO *xorriso, int flag)
      sprintf(respt, "Read speed   : ");
      speed= item->read_speed;
    }
+   if(speed == prev_speed)
+ continue;
+   prev_speed= speed;
    Xorriso_choose_speed_factor(xorriso, speed,
                                item->profile_loaded,
                                &speed_factor, &speed_unit, 0);
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index 32ed9234..c423df4e 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2013.10.28.151434"
+#define Xorriso_timestamP "2013.10.29.123448"