diff --git a/resources/css/ext.uls.languagesettings.less b/resources/css/ext.uls.languagesettings.less
index 974316d8..7a467211 100644
--- a/resources/css/ext.uls.languagesettings.less
+++ b/resources/css/ext.uls.languagesettings.less
@@ -123,6 +123,7 @@
 #languagesettings-panels .mw-ui-pressed {
 	background-color: #2a4b8d;
 	color: #fff;
+	border-color: #2a4b8d;
 }
 
 .checkbox input[type='checkbox'] {