diff -ur a//rbook.el b//rbook.el
--- a//rbook.el	2011-09-19 21:26:56.000000000 +0700
+++ b//rbook.el	2011-09-20 06:06:05.999987217 +0700
@@ -150,25 +150,25 @@
   "Extension to use for output files.")
 
 (defvar rbook-tts-program
-  (expand-file-name "speak" (file-name-directory load-file-name))
+  "/usr/bin/rbook-speak"
   "Program used by rbook for tts sakes.
 These program should accept text on stdin and produce speech output.")
 
 (defvar rbook-mp3-program
-  (expand-file-name "mp3" (file-name-directory load-file-name))
+  "/usr/bin/rbook-mp3"
   "Program used by rbook for producing audio book in MP3 format.
 These program should accept sound stream on stdin and produce an mp3-file.")
 
 (defvar rbook-sound-play-program
-  (expand-file-name "play" (file-name-directory load-file-name))
+  "/usr/bin/rbook-play"
   "Program used to play audio icons.")
 
 (defvar rbook-encoding-done-sound
-  (expand-file-name "task-done.au" (file-name-directory load-file-name))
+  "/usr/share/emacs-rbook/task-done.au"
   "Sound file to play when encoding process finishes.")
 
 (defvar rbook-encoding-progress-sound
-  (expand-file-name "progress.au" (file-name-directory load-file-name))
+  "/usr/share/emacs-rbook/progress.au"
   "Sound file to play whith progress messages.")
 
 (defun rbook-tts-args ()