diff --git a/resources/js/ext.uls.displaysettings.js b/resources/js/ext.uls.displaysettings.js
index 302b0b04..1dcd8c7b 100644
--- a/resources/js/ext.uls.displaysettings.js
+++ b/resources/js/ext.uls.displaysettings.js
@@ -151,8 +151,6 @@
 			$moreLanguagesButton.uls( {
 				left: that.$parent.left,
 				top: that.$parent.top,
-				languages: mw.config.get( 'wgULSLanguages' ),
-				searchAPI: mw.util.wikiScript( 'api' ) + "?action=languagesearch",
 				onReady: function( uls ) {
 					var $back = $( '<a>' )
 						.prop( 'href', '#' )
diff --git a/resources/js/ext.uls.init.js b/resources/js/ext.uls.init.js
index e37bae18..6e72b345 100644
--- a/resources/js/ext.uls.init.js
+++ b/resources/js/ext.uls.init.js
@@ -20,6 +20,12 @@
 ( function( $, mw ) {
 	"use strict";
 
+	// MediaWiki override for ULS defaults.
+	$.fn.uls.defaults = $.extend( $.fn.uls.defaults, {
+		languages: mw.config.get( 'wgULSLanguages' ),
+		searchAPI: mw.util.wikiScript( 'api' ) + "?action=languagesearch"
+	} );
+
 	$( document ).ready( function() {
 		var $ulsTrigger = $( '.uls-trigger' ),
 			previousLang = $.cookie( 'uls-previous-language' ),
@@ -72,9 +78,7 @@
 			},
 			onSelect: function( language ) {
 				changeLanguage( language );
-			},
-			languages: mw.config.get( 'wgULSLanguages' ),
-			searchAPI: mw.util.wikiScript( 'api' ) + "?action=languagesearch"
+			}
 		} );
 
 		if ( !previousLang || previousLang === currentLang ) {