diff --git a/Modules/FindDoxygen.cmake b/Modules/FindDoxygen.cmake
index 506255ab6..586a9342d 100644
--- a/Modules/FindDoxygen.cmake
+++ b/Modules/FindDoxygen.cmake
@@ -1,7 +1,18 @@
 # 
-# this module looks for Doxygen
+# this module looks for Doxygen and the path to Graphiz's dot
 #
 
 FIND_PROGRAM(DOXYGEN
   doxygen
 )
+
+FIND_PROGRAM(DOT
+  dot
+  "C:/Program Files/ATT/Graphviz/bin"
+)
+# HKEY_CURRENT_USER\Software\AT&T\Graphviz
+
+# Since most of the time dot is called by Doxygen, the path to dot is useful too
+GET_FILENAME_COMPONENT(DOT_PATH ${DOT} PATH CACHE)
+
+