diff --git a/Makefile b/Makefile
index f4e2954..191c7e2 100644
--- a/Makefile
+++ b/Makefile
@@ -535,9 +535,11 @@ soelim: $(SOELIM_OBJS)
 # --- maintainer targets ---
 
 www-install: www
-	$(INSTALL_DATA) mandoc.css $(HTDOCDIR)
-	$(INSTALL_DATA) $(WWW_MANS) $(HTDOCDIR)/man
-	$(INSTALL_DATA) $(WWW_INCS) $(HTDOCDIR)/includes
+	mkdir -p $(DESTDIR)$(HTDOCDIR)/man
+	mkdir -p $(DESTDIR)$(HTDOCDIR)/includes
+	$(INSTALL_DATA) mandoc.css $(DESTDIR)$(HTDOCDIR)
+	$(INSTALL_DATA) $(WWW_MANS) $(DESTDIR)$(HTDOCDIR)/man
+	$(INSTALL_DATA) $(WWW_INCS) $(DESTDIR)$(HTDOCDIR)/includes
 
 depend: config.h
 	mkdep -f Makefile.depend $(CFLAGS) $(SRCS)