diff --git a/test/frontend_pipes_xorriso.c b/test/frontend_pipes_xorriso.c
index a4d47ea2..779ba98e 100644
--- a/test/frontend_pipes_xorriso.c
+++ b/test/frontend_pipes_xorriso.c
@@ -2,6 +2,11 @@
 /* Beefed-up example from man 2 pipe
    to illustrate how xorriso is to be used by frontend programs via two pipes.
 
+   Copyright 2012 Thomas Schmitt, <scdbackup@gmx.net> 
+   Unaltered provided under BSD license.
+   You may issue licenses of your choice for derived code, provided that they
+   do not infringe anybody's right to do the same for this original code.
+
    Build:
      cc -g -o frontend_pipes_xorriso frontend_pipes_xorriso.c