Index: Makefile
--- Makefile.orig
+++ Makefile
@@ -96,6 +96,10 @@ else ifeq ($(shell uname), FreeBSD)
 install : $(NAME)
 	cp $(NAME) $(DESTDIR)$(BINDIR)
 	chmod 4750 $(DESTDIR)$(BINDIR)/$(NAME)
+else ifeq ($(shell uname), OpenBSD)
+install : $(NAME)
+	cp $(NAME) $(DESTDIR)$(BINDIR)
+	chmod 4755 $(DESTDIR)$(BINDIR)/$(NAME)
 else
 install : $(NAME)
 	chmod +x $(NAME)
