diff --git a/app/controllers/posts_controller.rb b/app/controllers/posts_controller.rb
index f241dfb1..aad3855d 100644
--- a/app/controllers/posts_controller.rb
+++ b/app/controllers/posts_controller.rb
@@ -32,6 +32,14 @@ class PostsController < ApplicationController
     render layout: false
   end
 
+  def new_related_post
+    @uuid = params.require(:value).strip
+
+    @indexed_post = site.indexed_posts.find_by!(post_id: @uuid)
+
+    render layout: false
+  end
+
   def index
     authorize Post
 
diff --git a/app/views/posts/_new_related_post.haml b/app/views/posts/_new_related_post.haml
new file mode 100644
index 00000000..f3cc2a94
--- /dev/null
+++ b/app/views/posts/_new_related_post.haml
@@ -0,0 +1,2 @@
+.col
+  %p= link_to post.title, post.path
diff --git a/app/views/posts/attributes/_new_has_many.haml b/app/views/posts/attributes/_new_has_many.haml
index 9477998d..f8ec89d4 100644
--- a/app/views/posts/attributes/_new_has_many.haml
+++ b/app/views/posts/attributes/_new_has_many.haml
@@ -5,7 +5,7 @@
   name = "#{base}[#{attribute}][]"
   form_id = "form-#{Nanoid.generate}"
 
-%div{ data: { controller: 'modal array', 'array-original-value': metadata.value.to_json, 'array-new-array-value': site_posts_new_array_value_path(site) } }
+%div{ data: { controller: 'modal array', 'array-original-value': metadata.value.to_json, 'array-new-array-value': site_posts_new_related_post_path(site) } }
   .form-group
     = hidden_field_tag name, ''
     = label_tag id, post_label_t(attribute, post: post)
@@ -34,9 +34,9 @@
 
     - content_for :"#{id}_body" do
       .form-group.mb-0{ id: "#{id}_body" }
-        - metadata.values.each_pair do |value, key|
-          .mb-2{ data: { target: 'array.item', 'searchable-value': value.remove_diacritics.downcase, value: value } }
-            = render 'bootstrap/custom_checkbox', name: name, id: "value-#{Nanoid.generate}", value: key, checked: metadata.value.include?(key), content: value
+        - metadata.values.each_pair do |value, uuid|
+          .mb-2{ data: { target: 'array.item', 'searchable-value': value.remove_diacritics.downcase, value: uuid } }
+            = render 'bootstrap/custom_checkbox', name: name, id: "value-#{Nanoid.generate}", value: uuid, checked: metadata.value.include?(uuid), content: value
 
     - content_for :"#{id}_footer" do
       .flex-grow-1
diff --git a/config/routes.rb b/config/routes.rb
index eb20edce..be50fafd 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -102,6 +102,7 @@ Rails.application.routes.draw do
 
         get :'posts/new_array', to: 'posts#new_array'
         get :'posts/new_array_value', to: 'posts#new_array_value'
+        get :'posts/new_related_post', to: 'posts#new_related_post'
 
         resources :posts do
           get 'p/:page', action: :index, on: :collection