diff --git a/stylesheets/tabs.less b/stylesheets/tabs.less
index f38abc4..3342448 100644
--- a/stylesheets/tabs.less
+++ b/stylesheets/tabs.less
@@ -73,7 +73,7 @@
 
     &, &:before {
       background-color: @tab-background-color-active;
-      height: @tab-height + 1px;
+      height: @tab-height;
     }
 
   }