--- bin/gnump3d-index.orig	2008-01-03 11:24:28.000000000 +0000
+++ bin/gnump3d-index	2008-01-03 11:24:59.000000000 +0000
@@ -150,9 +150,9 @@
 {
     $CONFIG{'file'} = $ENV{"HOME"} . "/.gnump3drc";
 }
-elsif ( -e "/etc/gnump3d/gnump3d.conf" )
+elsif ( -e "%%PREFIX%%/etc/gnump3d/gnump3d.conf" )
 {
-    $CONFIG{'file'} =  "/etc/gnump3d/gnump3d.conf";
+    $CONFIG{'file'} =  "%%PREFIX%%/etc/gnump3d/gnump3d.conf";
 }
 elsif ( -e "gnump3d.conf" )
 {