diff --git a/bin/lightdm-gtk-greeter-settings-pkexec b/bin/lightdm-gtk-greeter-settings-pkexec
index 9d7c580..a154380 100755
--- a/bin/lightdm-gtk-greeter-settings-pkexec
+++ b/bin/lightdm-gtk-greeter-settings-pkexec
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 APP_PATH="/usr/bin/lightdm-gtk-greeter-settings"