diff --git a/misc_systemd_units/unbound-startup b/misc_systemd_units/unbound-startup
index d16226a..60fe93c 100755
--- a/misc_systemd_units/unbound-startup
+++ b/misc_systemd_units/unbound-startup
@@ -1,4 +1,4 @@
-#! /bin/sh
+#! /bin/bash
 
 #
 # unbound is usuually started  via systemd.