diff --git a/backend/app/controllers/posts_controller.rb b/backend/app/controllers/posts_controller.rb
index feb2340..bbbce70 100644
--- a/backend/app/controllers/posts_controller.rb
+++ b/backend/app/controllers/posts_controller.rb
@@ -38,7 +38,7 @@ class PostsController < ApplicationController
     viewed = current_user&.viewed?(post) || false
 
     render json: (post
-                  .as_json(include: { tags: { only: [:id, :name, :category] } })
+                  .as_json(include: { tags: { only: [:id, :name, :category, :post_count] } })
                   .merge(viewed: viewed))
   end
 
@@ -50,7 +50,7 @@ class PostsController < ApplicationController
     viewed = current_user&.viewed?(post) || false
 
     render json: (post
-                  .as_json(include: { tags: { only: [:id, :name, :category] } })
+                  .as_json(include: { tags: { only: [:id, :name, :category, :post_count] } })
                   .merge(viewed: viewed))
   end
 
@@ -72,7 +72,7 @@ class PostsController < ApplicationController
     if post.save
       post.resized_thumbnail!
       post.tags = Tag.normalise_tags(tags_names)
-      render json: post.as_json(include: { tags: { only: [:id, :name, :category] } }),
+      render json: post.as_json(include: { tags: { only: [:id, :name, :category, :post_count] } }),
              status: :created
     else
       render json: { errors: post.errors.full_messages }, status: :unprocessable_entity
@@ -104,7 +104,7 @@ class PostsController < ApplicationController
     post = Post.find(params[:id].to_i)
     tags = post.tags.where(category: 'nico').to_a + Tag.normalise_tags(tag_names)
     if post.update(title:, tags:)
-      render json: post.as_json(include: { tags: { only: [:id, :name, :category] } }),
+      render json: post.as_json(include: { tags: { only: [:id, :name, :category, :post_count] } }),
              status: :ok
     else
       render json: post.errors, status: :unprocessable_entity