diff --git a/app/models/post.rb b/app/models/post.rb
index 2f192ac..fe38cca 100644
--- a/app/models/post.rb
+++ b/app/models/post.rb
@@ -230,7 +230,11 @@ class Post
         end
       end
 
-      { k => v }
+      if v.is_a? ActionController::Parameters
+        { k => v.to_hash }
+      else
+        { k => v }
+      end
     end.reduce(Hash.new, :merge).stringify_keys
 
     # el cuerpo se maneja por separado