diff --git a/app/models/metadata_has_many.rb b/app/models/metadata_has_many.rb
index b4db4454..a15f1241 100644
--- a/app/models/metadata_has_many.rb
+++ b/app/models/metadata_has_many.rb
@@ -42,6 +42,9 @@ class MetadataHasMany < MetadataRelatedPosts
     return true unless inverse?
 
     (had_many - has_many).each do |remove|
+      # No modificar nada si la relación ya estaba deshecha
+      next unless remove[inverse]&.value == post.uuid.value
+
       remove[inverse]&.value = remove[inverse].default_value
     end