diff --git a/xorriso/misc_funct.c b/xorriso/misc_funct.c
index 85302f6b..5d7ec7c4 100644
--- a/xorriso/misc_funct.c
+++ b/xorriso/misc_funct.c
@@ -172,7 +172,8 @@ ex:;
 
 
 /** Convert a text into a number of type double and multiply it by unit code
-    [kmgtpe] (2^10 to 2^60) or [s] (2048). (Also accepts capital letters.)
+    [kmgtpe] (2^10 to 2^60) or [s] (2048) or [d] (512).
+    (Also accepts capital letters.)
     @param text Input like "42", "2k", "3.14m" or "-1g"
     @param flag Bitfield for control purposes:
                 bit0= return -1 rathern than 0 on failure
@@ -199,6 +200,7 @@ double Scanf_io_size(char *text, int flag)
  if(c=='p' || c=='P') ret*= 1024.0*1024.0*1024.0*1024.0*1024.0;
  if(c=='e' || c=='E') ret*= 1024.0*1024.0*1024.0*1024.0*1024.0*1024.0;
  if(c=='s' || c=='S') ret*= 2048.0;
+ if(c=='d' || c=='D') ret*= 512.0;
  return(ret);
 }
 
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index bc8139f9..02d0079c 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2014.10.28.140609"
+#define Xorriso_timestamP "2014.10.28.140709"