diff -Pdpru rp-pppoe-3.14.orig/gui/Makefile.in rp-pppoe-3.14/gui/Makefile.in
--- rp-pppoe-3.14.orig/gui/Makefile.in	2020-05-27 03:29:37.000000000 +0300
+++ rp-pppoe-3.14/gui/Makefile.in	2020-05-28 03:54:38.555034196 +0300
@@ -47,7 +47,7 @@ install: all
 	-mkdir -p $(DESTDIR)$(sbindir)
 	-mkdir -p $(DESTDIR)$(bindir)
 	-mkdir -p $(DESTDIR)/etc/ppp/rp-pppoe-gui
-	$(install) -m 4755 -s pppoe-wrapper $(DESTDIR)$(sbindir)
+	$(install) -m 4755 pppoe-wrapper $(DESTDIR)$(sbindir)
 	$(install) -m 755 tkpppoe $(DESTDIR)$(bindir)
 	-mkdir -p $(DESTDIR)$(mandir)/man1
 	$(install) -m 644 pppoe-wrapper.1 $(DESTDIR)$(mandir)/man1