diff --git a/resources/css/ext.uls.languagesettings.less b/resources/css/ext.uls.languagesettings.less
index 10755005..15148c38 100644
--- a/resources/css/ext.uls.languagesettings.less
+++ b/resources/css/ext.uls.languagesettings.less
@@ -74,7 +74,7 @@
 	font-size: 12pt;
 }
 
-#language-settings-dialog {
+.language-settings-dialog {
 	background: #f8f9fa;
 	/* Ensure base font size is same in different skins */
 	font-size: medium;
diff --git a/resources/js/ext.uls.languagesettings.js b/resources/js/ext.uls.languagesettings.js
index 65bbe725..ac4dd77b 100644
--- a/resources/js/ext.uls.languagesettings.js
+++ b/resources/js/ext.uls.languagesettings.js
@@ -44,7 +44,7 @@
 		settingsMenu +
 		settingsPanel +
 		'</div>';
-	windowTemplate = '<div style="display: block;" id="language-settings-dialog" class="grid uls-menu uls-wide">' +
+	windowTemplate = '<div style="display: block;" id="language-settings-dialog" class="language-settings-dialog grid uls-menu uls-wide">' +
 		closeRow +
 		panelsRow +
 		buttonsRow +