--- a/vittk.in
+++ b/vittk.in
@@ -17,7 +17,7 @@
 
 set font "@FONT@"
 set system_task_cmd "ls"
-set system_vittkrc "@prefix@/etc/vittkrc"
+set system_vittkrc "@sysconfdir@/vittkrc"
 set task "@TASK@"
 set ver "@VER@"
 
@@ -28,8 +28,8 @@
   source ./vars.tcl
   set auto_path ". $auto_path"
 } else { 
-  source @prefix@/lib/vittk/vars.tcl
-  set auto_path "@prefix@/lib/vittk $auto_path"
+  source @libdir@/vittk/vars.tcl
+  set auto_path "@libdir@/vittk $auto_path"
 }
 
 ReadRcs
--- a/vittk.man.in
+++ b/vittk.man.in
@@ -89,13 +89,13 @@
 in Taskwarrior.  At this time, various other parts of the VITtk color
 scheme can only be changed system-wide by altering the variables in
 .br
-@prefix@/lib/vars.tcl.
+@libdir@/vars.tcl.
 .SH FONTS
 VITtk requires a fixed-width font for it's columns to align correctly.
 The default font "TkFixedFont" has been set to ensure this happens. You can
 use other Xwindows fonts by using the -fn option or your ~/.vittkrc file.
 Instructions for browsing fixed-width fonts can be found in the
-/usr/local/share/doc/vittk/Fonts file. If you specify a proportional font
+@docdir@/Fonts file. If you specify a proportional font
 (you will get a warning message and) the VITtk display will probably look very
 bad, and if you use the -fn option with the name of a non-existent font then
 VITtk will default the default tcl/tkfont (e.g. "fixed") without warning.
@@ -103,20 +103,20 @@
 fixed-width, so care should be taken to specify an existing font.
 .SH SETTINGS
 There are a number of settings which allow you to "remotely control"
-many aspects of VITtk.  Refer to the @prefix@/etc/vittkrc file for more 
+many aspects of VITtk.  Refer to the @sysconfdir@/vittkrc file for more 
 information.  There are also some settings which are hard-coded 
 (e.g. how long feedback messages are displayed.)  These could be
-changed sytem-wide by editing @prefix@/lib/vars.tcl.
+changed sytem-wide by editing @libdir@/vars.tcl.
 .SH FILES
-@prefix@/etc/vittkrc - the system-wide VITtk configuration file
+@sysconfdir@/vittkrc - the system-wide VITtk configuration file
 .br
 ~/.vittkrc - user VITtk configuration file
 .br
 /tmp/vittk-$USER.log - VITtk actions log
 .br
-@prefix@/share/doc/vittk/README - quick start and more information
+@docdir@/README - quick start and more information
 .br
-@prefix@/share/doc/vittk/Tutorial - a brief VITtk tutoral
+@docdir@/Tutorial - a brief VITtk tutoral
 .SH CREDITS & COPYRIGHT
 VITtk was written by Steve Rader (C) 2011.