diff --git a/app/services/post_service.rb b/app/services/post_service.rb
index ff2ac6bd..6f42bb22 100644
--- a/app/services/post_service.rb
+++ b/app/services/post_service.rb
@@ -225,7 +225,7 @@ PostService = Struct.new(:site, :usuarie, :post, :params, keyword_init: true) do
       when 'belongs_to', 'has_one'
         if value_was.present?
           associated_posts(value_was).each do |remove_post|
-            remove_relation_from(remove_post[inverse_attribute], value_was)
+            remove_relation_from(remove_post[inverse_attribute], post.uuid.value)
           end
         end