***************
*** 38,43 ****
  
         mucipherc = mucipherc[0]
-     py_dest = env['DESTDIR'] + os.path.join(sys.prefix, "lib", "python" + py_ver, "site-packages")
  
     dp1 = env_swigpy.Install(py_dest, 'mucipherc.py')
  
--- 38,43 ----
  
         mucipherc = mucipherc[0]
+     py_dest = env['DESTDIR'] + "%%PYTHONPREFIX_SITELIBDIR%%"
  
     dp1 = env_swigpy.Install(py_dest, 'mucipherc.py')