diff --git a/vfs/ChangeLog b/vfs/ChangeLog
index 2ca4f0f52..108de0622 100644
--- a/vfs/ChangeLog
+++ b/vfs/ChangeLog
@@ -1,3 +1,8 @@
+2003-08-08  Pavel Roskin  <proski@gnu.org>
+
+	* extfs/audio.in: Fix non-POSIX constructs.
+	From GoTaR <gotar@poczta.onet.pl>
+
 2003-07-28  Andrew V. Samoilov  <sav@bcs.zp.ua>
 
 	* ftpfs.c (login_server): Undo last change.
diff --git a/vfs/extfs/audio.in b/vfs/extfs/audio.in
index 96487263b..33f88b036 100755
--- a/vfs/extfs/audio.in
+++ b/vfs/extfs/audio.in
@@ -18,9 +18,8 @@ audiofs_list ()
     cdparanoia -Q -d $1 2>&1 | grep '^[ 0-9][ 0-9][ 0-9]\.' | while true
     do
     read A B C || break
-    A=`echo $A | sed 's/\.//'`
-    SIZE=$[44+$B*2352]
-    if (( $A < 10 )); then A="0$A"; fi
+    A=`echo $A | sed -e 's/\.//' -e 's/^\(.\)$/0\1/'`
+    SIZE=$((44+$B*2352))
     echo "-r--r--r-- 1 0 0 $SIZE Jan 1 0:00 track-${A}.wav"
     done
 }