diff --git a/modules/packages.nix b/modules/packages.nix
index 16b475f..97fe2b0 100644
--- a/modules/packages.nix
+++ b/modules/packages.nix
@@ -2,6 +2,7 @@
 
 {
   home.packages = with pkgs; [
+    libnotify
     gh
     trash-cli
     pandoc
diff --git a/scripts/wp-vol.sh b/scripts/wp-vol.sh
index 3ab9b80..72863a3 100755
--- a/scripts/wp-vol.sh
+++ b/scripts/wp-vol.sh
@@ -1,5 +1,5 @@
-#!/bin/bash
-
+#!/usr/bin/env bash
+#
 # Get the volume level and convert it to a percentage
 volume=$(wpctl get-volume @DEFAULT_SINK@)
 volume=$(echo "$volume" | awk '{print $2}')