diff --git Makefile.in Makefile.in
index 932919c..1cf7b82 100644
--- Makefile.in
+++ Makefile.in
@@ -104,12 +104,12 @@ dist:	$(FILES) $(DISTSUBDIRS)
 	tar czf $(package).tar.gz $(DISTDIR)
 
 install:	$(LIB) $(HEADERS) $(SUBDIRS)
-	test -d $(libdir) || mkdir -p $(libdir)
-	test -d $(includedir) || mkdir -p $(includedir)
-	$(install) $(LIB) $(libdir)/
-	$(install) $(HEADERS) $(includedir)/
+	test -d $(DESTDIR)/$(libdir) || mkdir -p $(DESTDIR)/$(libdir)
+	test -d $(DESTDIR)/$(includedir) || mkdir -p $(DESTDIR)/$(includedir)
+	$(install) $(LIB) $(DESTDIR)/$(libdir)/
+	$(install) $(HEADERS) $(DESTDIR)/$(includedir)/
 	for dir in $(SUBDIRS); do \
-		$(MAKE) -C $$dir install="$(install)" includedir=$(includedir) install; \
+		$(MAKE) -C $$dir install="$(install)" includedir=$(DESTDIR)/$(includedir) install; \
 	done
 
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