diff --git a/libisoburn/trunk/xorriso/misc_funct.c b/libisoburn/trunk/xorriso/misc_funct.c
index 6f743ddd..7859ff5a 100644
--- a/libisoburn/trunk/xorriso/misc_funct.c
+++ b/libisoburn/trunk/xorriso/misc_funct.c
@@ -463,6 +463,7 @@ int Decode_ecma119_format(struct tm *erg, char *text, int flag)
 /* 2010040711405800 */
 {
  int i, l, num, utc= 1;
+ struct tm norm_tm;
 
  memset(erg, 0, sizeof(*erg));
  erg->tm_isdst= -1;
@@ -499,6 +500,11 @@ int Decode_ecma119_format(struct tm *erg, char *text, int flag)
  erg->tm_sec= 10*(text[12]-'0')+text[13]-'0';
  if(erg->tm_sec > 59)
    return(0);
+ /* Let mktime(3) compute erg->tm_wday and erg->tm_yday */
+ memcpy(&norm_tm, erg, sizeof(struct tm));
+ mktime(&norm_tm);
+ erg->tm_wday= norm_tm.tm_wday;
+ erg->tm_yday= norm_tm.tm_yday;
  return(1 + !utc);
 }
 
diff --git a/libisoburn/trunk/xorriso/xorriso_timestamp.h b/libisoburn/trunk/xorriso/xorriso_timestamp.h
index 7dc0cffb..18e2d042 100644
--- a/libisoburn/trunk/xorriso/xorriso_timestamp.h
+++ b/libisoburn/trunk/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2016.07.31.073903"
+#define Xorriso_timestamP "2016.08.04.073312"