diff --git a/ports/unix/Makefile b/ports/unix/Makefile
index ac67631867..060b3a9842 100644
--- a/ports/unix/Makefile
+++ b/ports/unix/Makefile
@@ -266,7 +266,8 @@ PREFIX = /usr/local
 BINDIR = $(DESTDIR)$(PREFIX)/bin
 
 install: $(PROG)
-	install -D $(PROG) $(BINDIR)/$(PROG)
+	install -d $(BINDIR)
+	install $(PROG) $(BINDIR)/$(PROG)
 
 uninstall:
 	-rm $(BINDIR)/$(PROG)