diff --git a/app/assets/javascripts/legislation_annotatable.js.coffee b/app/assets/javascripts/legislation_annotatable.js.coffee
index 0e7f1b4e1..00ff6c9f2 100644
--- a/app/assets/javascripts/legislation_annotatable.js.coffee
+++ b/app/assets/javascripts/legislation_annotatable.js.coffee
@@ -47,6 +47,10 @@ App.LegislationAnnotatable =
     event.preventDefault()
     event.stopPropagation()
 
+
+    $('[data-annotation-id]').removeClass('current-annotation')
+    $(this).addClass('current-annotation')
+
     App.LegislationAllegations.show_comments()
     $("#comments-box").show()
     $.event.trigger
diff --git a/app/assets/stylesheets/annotator_overrides.scss b/app/assets/stylesheets/annotator_overrides.scss
index b14d09de9..7b2838c49 100644
--- a/app/assets/stylesheets/annotator_overrides.scss
+++ b/app/assets/stylesheets/annotator_overrides.scss
@@ -101,3 +101,7 @@
 .annotator-hl {
   cursor: pointer;
 }
+
+.current-annotation {
+  text-decoration: underline;
+}