diff --git a/plugins/systemd/systemd_units b/plugins/systemd/systemd_units
index e5075cb5..47f43541 100755
--- a/plugins/systemd/systemd_units
+++ b/plugins/systemd/systemd_units
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # -*- sh -*-
 
 : << =cut