--- config/ciconfig.ml.orig	2018-04-01 21:53:42.000000000 -0700
+++ config/ciconfig.ml	2019-12-30 08:34:07.000000000 -0700
@@ -46,9 +46,7 @@
     ]
 
 let rgb_txt = find_file "rgb.txt"
-    [ "/etc/X11"
-    ; "/usr/share/X11"
-    ; "/usr/X11/share/X11"
+    [ "__MACPORTS_PREFIX__/share/X11"
     ]
 
 let xs =