diff --git a/prefs.js b/prefs.js
index 97b85a3..2fc6539 100644
--- a/prefs.js
+++ b/prefs.js
@@ -14,8 +14,8 @@
 'use strict';
 
 const GIRepository = imports.gi.GIRepository;
-GIRepository.Repository.prepend_search_path('/usr/lib64/gnome-shell');
-GIRepository.Repository.prepend_library_path('/usr/lib64/gnome-shell');
+GIRepository.Repository.prepend_search_path('@gnomeShell@/lib/gnome-shell');
+GIRepository.Repository.prepend_library_path('@gnomeShell@/lib/gnome-shell');
 
 const GObject = imports.gi.GObject;
 const Gio = imports.gi.Gio;
@@ -746,7 +746,7 @@ const EasyScreenCastSettingsWidget = GObject.registerClass({
                 Lib.TalkativeLog('-^-NOT SET xdg-user video');
 
                 ctx.CtrlExe.Execute(
-                    '/usr/bin/sh -c "echo $HOME"',
+                    '/bin/sh -c "echo $HOME"',
                     true,
                     (success, out) => {
                         Lib.TalkativeLog(`-^-CALLBACK sync S: ${success} out: ${out}`);
diff --git a/utilaudio.js b/utilaudio.js
index 957eda2..84af241 100644
--- a/utilaudio.js
+++ b/utilaudio.js
@@ -15,10 +15,7 @@
 
 const GObject = imports.gi.GObject;
 const GIRepository = imports.gi.GIRepository;
-GIRepository.Repository.prepend_search_path('/usr/lib/gnome-shell');
-GIRepository.Repository.prepend_library_path('/usr/lib/gnome-shell');
-GIRepository.Repository.prepend_search_path('/usr/lib64/gnome-shell');
-GIRepository.Repository.prepend_library_path('/usr/lib64/gnome-shell');
+GIRepository.Repository.prepend_search_path("@gnomeShell@/lib/gnome-shell");
 const Gvc = imports.gi.Gvc;
 
 const ExtensionUtils = imports.misc.extensionUtils;