--- dot2texi/dot2texi.sty.orig	2012-01-22 15:56:18.000000000 -0500
+++ dot2texi/dot2texi.sty	2012-01-22 15:57:25.000000000 -0500
@@ -254,7 +254,7 @@
 \long\gdef\dottotexgraphicsprocess{%
     \ifdtt@ShellEscape
         \IfFileExists{\dtt@figname.dot}{%
-            \immediate\write18{dot2tex \dtt@output\space
+            \immediate\write18{@@PREFIX@@/bin/dot2tex \dtt@output\space
                 \dtt@format\space
                 \dtt@tikzedgelabels\space
                 \dtt@straightedges\space