diff --git a/libisoburn/libisoburn.h b/libisoburn/libisoburn.h
index 17ac7f63..d41fbc18 100644
--- a/libisoburn/libisoburn.h
+++ b/libisoburn/libisoburn.h
@@ -196,7 +196,7 @@ void isoburn_version(int *major, int *minor, int *micro);
 */
 #define isoburn_libburn_req_major  0
 #define isoburn_libburn_req_minor  4
-#define isoburn_libburn_req_micro  2
+#define isoburn_libburn_req_micro  4
 
 
 /** The minimum version of libisofs to be used with this version of libisoburn
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index 3660f5e4..7701029e 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2008.04.07.201253"
+#define Xorriso_timestamP "2008.04.08.153508"
diff --git a/xorriso/xorrisoburn.c b/xorriso/xorrisoburn.c
index c192225d..3e955bfe 100644
--- a/xorriso/xorrisoburn.c
+++ b/xorriso/xorrisoburn.c
@@ -247,6 +247,13 @@ int Xorriso_get_drive_handles(struct XorrisO *xorriso,
 }
 
 
+/* ts A80408 : Moved to libburn-0.4.4
+*/
+#define Xorriso_on_libburn_after_0_4_2 yes
+
+
+#ifndef Xorriso_on_libburn_after_0_4_2
+
 /* >>> todo: throw out the copies of libdax_msgs entrails */
 
 /* <<< to be replaced by libburn-0.4.3 API call burn_sev_to_text().
@@ -269,6 +276,8 @@ int Xorriso_get_drive_handles(struct XorrisO *xorriso,
 #define LIBDAX_MSGS_SEV_ABORT                                        0x71000000
 #define LIBDAX_MSGS_SEV_NEVER                                        0x7fffffff
 
+#endif /* ! Xorriso_on_libburn_after_0_4_2 */
+
 
 int Xorriso__sev_to_text(int severity, char **severity_name,
                          int flag)
@@ -278,11 +287,16 @@ int Xorriso__sev_to_text(int severity, char **severity_name,
   ret= iso_sev_to_text(severity, severity_name);
   if(ret>0)
     return(ret);
+
 #ifdef Xorriso_on_libburn_after_0_4_2
+
   ret= burn_sev_to_text(severity, severity_name, 0);
   if(ret>0)
     return(ret);
-#endif
+ *severity_name= "";
+ return(0);
+
+#else /* Xorriso_on_libburn_after_0_4_2 */
 
  if(flag&1) {
    *severity_name= "NEVER\nABORT\nFATAL\nFAILURE\nSORRY\nWARNING\nHINT\nNOTE\nUPDATE\nDEBUG\nALL";
@@ -320,6 +334,9 @@ int Xorriso__sev_to_text(int severity, char **severity_name,
    return(0);
  }
  return(1);
+
+#endif /* ! Xorriso_on_libburn_after_0_4_2 */
+
 }