--- ./Makefile.in.orig	2013-11-15 10:34:18.246331970 +0100
+++ ./Makefile.in	2013-11-15 10:34:38.383364598 +0100
@@ -3,8 +3,8 @@
 
 prefix=@prefix@
 exec_prefix=@exec_prefix@
-INSTALL_BIN=$(exec_prefix)/bin
-INSTALL_MAN=$(prefix)/man
+INSTALL_BIN=$(DESTDIR)$(exec_prefix)/bin
+INSTALL_MAN=$(DESTDIR)$(prefix)/man
 
 LIBS=@LIBS@
 CC=@CC@