diff --git a/nixos/hosts/backups-rpi4/backup-script.nix b/nixos/hosts/backups-rpi4/backup-script.nix
index 814c3ebd..35eb9f12 100644
--- a/nixos/hosts/backups-rpi4/backup-script.nix
+++ b/nixos/hosts/backups-rpi4/backup-script.nix
@@ -1,8 +1,8 @@
 { config, lib, pkgs, ... }:
 let
-  rsync-backups  = pkgs.writeScriptBin "rsync-backups"  builtins.readFile ./scripts/media.sh;
-  rsync-data-vol = pkgs.writeScriptBin "rsync-data-vol" builtins.readFile ./scripts/data-vol.sh;
-  rsync-sysctl   = pkgs.writeScriptBin "rsync-sysctl"   builtins.readFile ./scripts/sysctl.sh;
+  rsync-data-vol  = pkgs.writeScriptBin "rsync-data-vol" "${builtins.readFile ./scripts/data-vol.sh}";
+  rsync-backups   = pkgs.writeScriptBin "rsync-backups"  "${builtins.readFile ./scripts/media.sh}";
+  rsync-sysctl    = pkgs.writeScriptBin "rsync-sysctl"   "${builtins.readFile ./scripts/sysctl.sh}";
 in {
   environment.systemPackages = [ 
     rsync-backups
diff --git a/nixos/hosts/backups-rpi4/scripts/data-vol.sh b/nixos/hosts/backups-rpi4/scripts/data-vol.sh
index 26fede68..0059dee8 100644
--- a/nixos/hosts/backups-rpi4/scripts/data-vol.sh
+++ b/nixos/hosts/backups-rpi4/scripts/data-vol.sh
@@ -1,4 +1,3 @@
-#!/bin/env bash
 # Send the gotify notification:
 
 GOTIFY_TOKEN=`cat /var/run/secrets/gotify_token | head -n 1`
diff --git a/nixos/hosts/backups-rpi4/scripts/media.sh b/nixos/hosts/backups-rpi4/scripts/media.sh
index a1a2eff3..dba17f2d 100644
--- a/nixos/hosts/backups-rpi4/scripts/media.sh
+++ b/nixos/hosts/backups-rpi4/scripts/media.sh
@@ -1,4 +1,3 @@
-#! /bin/env bash
 # Send the gotify notification:
 
 GOTIFY_TOKEN=`cat /var/run/secrets/gotify_token | head -n 1`
diff --git a/nixos/hosts/backups-rpi4/scripts/sysctl.sh b/nixos/hosts/backups-rpi4/scripts/sysctl.sh
index bd8a60aa..ab1337a3 100644
--- a/nixos/hosts/backups-rpi4/scripts/sysctl.sh
+++ b/nixos/hosts/backups-rpi4/scripts/sysctl.sh
@@ -1,4 +1,3 @@
-#! /bin/env bash
 # Send the gotify notification:
 
 GOTIFY_TOKEN=`cat /var/run/secrets/gotify_token | head -n 1`