--- Wrapping/Tcl/CMakeLists.txt.orig	2017-08-30 20:55:05 UTC
+++ Wrapping/Tcl/CMakeLists.txt
@@ -247,7 +247,7 @@ endforeach()
 # Configure the Tcl package index file for the install tree.
 SET(VTK_TCL_SCRIPT_DIR "[file dirname [info script]]")
 IF(UNIX)
-  SET(VTK_TCL_LIBRARY_DIR "[file dirname [file dirname [file dirname [info script]]]]")
+  SET(VTK_TCL_LIBRARY_DIR "[file dirname [info script]]")
 ELSE()
   SET(VTK_TCL_LIBRARY_DIR
       "[file join [file dirname [file dirname [file dirname [file dirname [info script]]]]] bin]")