diff --git a/app/models/reviewable_score.rb b/app/models/reviewable_score.rb
index 34080a944d9..2cc5cb63bd5 100644
--- a/app/models/reviewable_score.rb
+++ b/app/models/reviewable_score.rb
@@ -53,7 +53,7 @@ class ReviewableScore < ActiveRecord::Base
   end
 
   def score_type
-    Reviewable::Collection::Item.new(reviewable_score_type)
+    Reviewable::Collection::Item.new(reviewable_score_type, reason: reason)
   end
 
   def took_action?
diff --git a/app/serializers/reviewable_score_type_serializer.rb b/app/serializers/reviewable_score_type_serializer.rb
index 60368ebcbce..a5f32e38111 100644
--- a/app/serializers/reviewable_score_type_serializer.rb
+++ b/app/serializers/reviewable_score_type_serializer.rb
@@ -5,6 +5,8 @@ class ReviewableScoreTypeSerializer < ApplicationSerializer
 
   # Allow us to share post action type translations for backwards compatibility
   def title
+    # Calling #try here because post action types don't have a reason method.
+    I18n.t("reviewables.reason_titles.#{object.try(:reason)}", default: nil) ||
     I18n.t("post_action_types.#{ReviewableScore.types[id]}.title", default: nil) ||
       I18n.t("reviewable_score_types.#{ReviewableScore.types[id]}.title")
   end
diff --git a/lib/reviewable/collection.rb b/lib/reviewable/collection.rb
index 1a9b354fbc5..449877a1667 100644
--- a/lib/reviewable/collection.rb
+++ b/lib/reviewable/collection.rb
@@ -4,10 +4,11 @@ class Reviewable < ActiveRecord::Base
   class Collection
     class Item
       include ActiveModel::Serialization
-      attr_reader :id
+      attr_reader :id, :reason
 
-      def initialize(id)
+      def initialize(id, reason: nil)
         @id = id
+        @reason = reason
       end
     end