Index: alps/config/FindPython.cmake
===================================================================
--- alps/config/FindPython.cmake	(revision 6176)
+++ alps/config/FindPython.cmake	(working copy)
@@ -48,7 +48,7 @@
 
 
 if (NOT PYTHON_INTERPRETER AND NOT PYTHON_VISTRAILS_OVERRIDE)
-  find_program(PYTHON_INTERPRETER python PATHS $ENV{PATH})
+  find_program(PYTHON_INTERPRETER @PYTHON@ PATHS $ENV{PATH})
   if (NOT PYTHON_INTERPRETER)
     set (PYTHON_FOUND FALSE)
   else(NOT PYTHON_INTERPRETER)