diff --git a/src/tildes-baukula/_comments.scss b/src/tildes-baukula/_comments.scss
index d8effc2..94f586d 100644
--- a/src/tildes-baukula/_comments.scss
+++ b/src/tildes-baukula/_comments.scss
@@ -5,7 +5,7 @@
     border-color: $background;
   }
 
-  header {
+  &-header {
     background-color: $background;
   }