diff --git a/stylesheets/claustrophone.less b/stylesheets/claustrophone.less
index 6ac06fa..0daea78 100644
--- a/stylesheets/claustrophone.less
+++ b/stylesheets/claustrophone.less
@@ -406,7 +406,7 @@ atom-text-editor {
   }
 
   .visual-mode {
-    border-color: @eebb33;
+    border-color: #eebb33;
   }
 
   .spacecase {