diff --git a/lib/Makefile.in b/lib/Makefile.in
index 92a129f..8eed551 100644
--- a/lib/Makefile.in
+++ b/lib/Makefile.in
@@ -17,7 +17,8 @@
 
 # @(#) $Id: Makefile.in,v 1.40 2009/11/01 13:04:19 michael Exp $
 
-instroot =
+DESTDIR  =
+instroot = $(DESTDIR)
 
 prefix = @prefix@
 exec_prefix = @exec_prefix@