diff --git a/poc b/poc
index 5519e10..6922ba7 100755
--- a/poc
+++ b/poc
@@ -234,8 +234,7 @@ trap 'on_error $?' ERR
 trap 'on_exit $?' EXIT
 trap 'on_pipe' PIPE
 
-# exec 4>/dev/tty
-[[ -e /proc/$$/fd/3 ]] && exec 4>&3 3>&- || exec 4>/dev/tty
+if [[ -e /proc/$$/fd/3 ]]; then exec 4>&3 3>&-; else exec 4>/dev/tty; fi
 exec 3>/dev/stderr 2>"$MIAOU_BASH_ERROR"
 
 miaou_debug "<source from=$BASH_ARGV0 pid=${BASHPID}>"