diff -Naur a/Makefile b/Makefile
--- a/Makefile	2012-07-01 07:31:25.000000000 +0000
+++ b/Makefile	2012-07-04 09:20:56.000000000 +0000
@@ -1,4 +1,4 @@
-export prefix=/usr/local
+export prefix ?= /usr/local
 export milena_dir=$(prefix)/share/milena
 
 all: