--- ./Makefile.orig	2005-10-05 13:30:55.000000000 +0200
+++ ./Makefile	2014-04-06 19:24:31.351531891 +0200
@@ -53,11 +53,11 @@
 maintainer-clean: distclean
 
 install: group/ph.group festvox/czech_ph.scm
-	install -d $(destdir)
-	install -d $(destdir)/festvox
-	install -m 644 festvox/czech_ph.scm $(destdir)/festvox/
-	install -d $(destdir)/group
-	install -m 644 group/ph.group $(destdir)/group/
+	install -d $(DESTDIR)$(destdir)
+	install -d $(DESTDIR)$(destdir)/festvox
+	install -m 644 festvox/czech_ph.scm $(DESTDIR)$(destdir)/festvox/
+	install -d $(DESTDIR)$(destdir)/group
+	install -m 644 group/ph.group $(DESTDIR)$(destdir)/group/
 
 uninstall:
 	rm -f $(destdir)/festvox/czech_ph.scm $(destdir)/group/ph.group