diff --git a/app/models/concerns/commentable.rb b/app/models/concerns/commentable.rb
index 923469f2094..9f63a6cb519 100644
--- a/app/models/concerns/commentable.rb
+++ b/app/models/concerns/commentable.rb
@@ -13,7 +13,7 @@ module Commentable
   def title
     case self
     when Product
-      "#{practice[:title]}の提出物"
+      "「#{practice[:title]}」の提出物"
     else
       self[:title]
     end
diff --git a/app/views/companies/products/_product.html.slim b/app/views/companies/products/_product.html.slim
index 0b61d182ffa..e3246d70449 100644
--- a/app/views/companies/products/_product.html.slim
+++ b/app/views/companies/products/_product.html.slim
@@ -10,7 +10,7 @@
                   | WIP
           h2.card-list-item-title__title
             = link_to product, class: 'card-list-item-title__link a-text-link js-unconfirmed-link' do
-              = product.title.to_s
+              | #{product.practice.title}の提出物
       .card-list-item__row
         .card-list-item-meta
           .card-list-item-meta__items