diff --git a/libisoburn/trunk/xorriso/write_run.c b/libisoburn/trunk/xorriso/write_run.c
index acbac4b0..6052b411 100644
--- a/libisoburn/trunk/xorriso/write_run.c
+++ b/libisoburn/trunk/xorriso/write_run.c
@@ -722,7 +722,8 @@ int Xorriso_write_session(struct XorrisO *xorriso, int flag)
        ) * isoburn_igopt_aaip) |
       ((!!(xorriso->do_md5 & 2)) * isoburn_igopt_session_md5) |
       ((!!(xorriso->do_md5 & 4)) * isoburn_igopt_file_md5) |
-      ((!!(xorriso->do_md5 & 8)) * isoburn_igopt_file_stability);
+      ((!!(xorriso->do_md5 & 8)) * isoburn_igopt_file_stability) |
+      ((flag & 1) * isoburn_igopt_will_cancel);
  if(xorriso->no_emul_toc & 1)
    ext|= isoburn_igopt_no_emul_toc;
  isoburn_igopt_set_extensions(sopts, ext);
diff --git a/libisoburn/trunk/xorriso/xorriso_timestamp.h b/libisoburn/trunk/xorriso/xorriso_timestamp.h
index e60c67e1..70c7a3b0 100644
--- a/libisoburn/trunk/xorriso/xorriso_timestamp.h
+++ b/libisoburn/trunk/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2010.11.24.100845"
+#define Xorriso_timestamP "2010.11.24.101056"