diff --git a/less/mixins.less b/less/mixins.less
index f5193e4fbc..42523c2aa7 100644
--- a/less/mixins.less
+++ b/less/mixins.less
@@ -480,7 +480,7 @@
     &:active,
     &.active {
       background-color: @background;
-          border-color: @border
+          border-color: @border;
     }
   }
 }