diff --git a/src/prefs.js b/src/prefs.js
index 0f843d5..aecf227 100644
--- a/src/prefs.js
+++ b/src/prefs.js
@@ -33,6 +33,7 @@ const Gio = imports.gi.Gio;
 const Gettext = imports.gettext.domain('gnome-shell-extension-weather');
 const _ = Gettext.gettext;
 const Soup = imports.gi.Soup;
+const GWeather = imports.gi.GWeather;
 
 const Lang = imports.lang;
 const ExtensionUtils = imports.misc.extensionUtils;