diff --git a/UniversalLanguageSelector.hooks.php b/UniversalLanguageSelector.hooks.php
index c3570267..9fe71d95 100644
--- a/UniversalLanguageSelector.hooks.php
+++ b/UniversalLanguageSelector.hooks.php
@@ -104,10 +104,20 @@ class UniversalLanguageSelectorHooks {
 	 * Hook: ResourceLoaderGetConfigVars
 	 * @param $vars Array
 	 * @return bool
-	  */
+	 */
 	public static function addConfig( &$vars ) {
 		global $wgContLang;
 		$vars['wgULSLanguages'] = Language::fetchLanguageNames( $wgContLang->getCode(), 'mwfile' );
 		return true;
 	}
+
+	/**
+	 * Hook: MakeGlobalVariablesScript
+	 * @param $vars Array
+	 * @return bool
+	 */
+	public static function addVariables( &$vars, OutputPage $out ) {
+		$vars['wgULSAcceptLanguageList'] = array_keys( $out->getRequest()->getAcceptLang() );
+		return true;
+	}
 }
diff --git a/UniversalLanguageSelector.php b/UniversalLanguageSelector.php
index da85f953..79904891 100644
--- a/UniversalLanguageSelector.php
+++ b/UniversalLanguageSelector.php
@@ -59,6 +59,7 @@ $wgHooks['BeforePageDisplay'][] = 'UniversalLanguageSelectorHooks::addModules';
 $wgHooks['PersonalUrls'][] = 'UniversalLanguageSelectorHooks::addTrigger';
 $wgHooks['ResourceLoaderTestModules'][] = 'UniversalLanguageSelectorHooks::addTestModules';
 $wgHooks['ResourceLoaderGetConfigVars'][] = 'UniversalLanguageSelectorHooks::addConfig';
+$wgHooks['MakeGlobalVariablesScript'][] = 'UniversalLanguageSelectorHooks::addVariables';
 $wgAPIModules['languagesearch'] = 'ApiLanguageSearch';
 $wgHooks['UserGetLanguageObject'][] = 'UniversalLanguageSelectorHooks::getLanguage';
 
@@ -78,7 +79,7 @@ $wgResourceModules['ext.uls.init'] = array(
 
 $wgResourceModules['ext.uls.preferences'] = array(
 	'scripts' => 'resources/js/ext.uls.preferences.js',
-	'localBasePath' => $dir,
+	'localBasePath' => $dir,
 	'remoteExtPath' => 'UniversalLanguageSelector',
 	'dependencies' => array(
 		'mediawiki.user',