diff --git a/Makefile b/Makefile
index c6069dd..544b0fa 100644
--- a/Makefile
+++ b/Makefile
@@ -30,9 +30,9 @@ build_arch:
 
 .PHONY: install
 install:
-	install --directory $(DESTDIR)$(RPM_SYSCONFDIR)/postgres $(DESTDIR)$(RPM_UNITDIR)/postgresql.service.d
-	install --target-directory=$(DESTDIR)$(RPM_SYSCONFDIR)/postgres files/postgres/postgresql.conf files/postgres/pg_hba.conf
-	install --target-directory=$(DESTDIR)$(RPM_UNITDIR)/postgresql.service.d files/systemd/postgres.conf
+	install --mode=755 --directory $(DESTDIR)$(RPM_SYSCONFDIR)/postgres $(DESTDIR)$(RPM_UNITDIR)/postgresql.service.d
+	install --mode=644 --target-directory=$(DESTDIR)$(RPM_SYSCONFDIR)/postgres files/postgres/postgresql.conf files/postgres/pg_hba.conf
+	install --mode=644 --target-directory=$(DESTDIR)$(RPM_UNITDIR)/postgresql.service.d files/systemd/postgres.conf
 
 $(RPM_TARBALL_PATH): *
 	git archive --format=tar.gz \