diff --git a/src/Makefile b/src/Makefile
index 7cdfa13..31609b2 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -13,13 +13,13 @@ distclean: clean
 
 install:
 	$(MKDIR) $(DESTDIR)$(PREFIX)/bin
-	$(INSTALL) -m 0755 -- deforaos-build.sh $(DESTDIR)$(PREFIX)/bin/deforaos-build.sh
+	$(INSTALL) -m 0755 deforaos-build.sh $(DESTDIR)$(PREFIX)/bin/deforaos-build.sh
 	$(MKDIR) $(DESTDIR)$(PREFIX)/bin
-	$(INSTALL) -m 0755 -- deforaos-package.sh $(DESTDIR)$(PREFIX)/bin/deforaos-package.sh
+	$(INSTALL) -m 0755 deforaos-package.sh $(DESTDIR)$(PREFIX)/bin/deforaos-package.sh
 	$(MKDIR) $(DESTDIR)$(PREFIX)/bin
-	$(INSTALL) -m 0755 -- deforaos-release.sh $(DESTDIR)$(PREFIX)/bin/deforaos-release.sh
+	$(INSTALL) -m 0755 deforaos-release.sh $(DESTDIR)$(PREFIX)/bin/deforaos-release.sh
 	$(MKDIR) $(DESTDIR)$(PREFIX)/bin
-	$(INSTALL) -m 0755 -- deforaos-update.sh $(DESTDIR)$(PREFIX)/bin/deforaos-update.sh
+	$(INSTALL) -m 0755 deforaos-update.sh $(DESTDIR)$(PREFIX)/bin/deforaos-update.sh
 
 uninstall:
 	$(RM) -- $(DESTDIR)$(PREFIX)/bin/deforaos-build.sh