diff --git a/core/mui/cairo_sub_parts_quote.rb b/core/mui/cairo_sub_parts_quote.rb
index 66d59c9..22efbb3 100644
--- a/core/mui/cairo_sub_parts_quote.rb
+++ b/core/mui/cairo_sub_parts_quote.rb
@@ -30,15 +30,19 @@ class Gdk::SubPartsQuote < Gdk::SubPartsMessageBase
       note.reference&.uri || note.uri
     }.select{ |u|
       u.is_a?(Diva::URI)
-    }.map{ |target_uri|
-      model_class = Enumerator.new{ |y|
+    }.flat_map{ |target_uri|
+      model_classes = Enumerator.new{ |y|
         Plugin.filtering(:model_of_uri, target_uri, y)
-      }.lazy.map{ |model_slug|
+      }.map{ |model_slug|
         Diva::Model(model_slug)
-      }.find{ |mc|
+      }.select{ |mc|
         mc.spec.timeline
       }
-      Delayer.Deferred.new{ model_class.find_by_uri(target_uri) } if model_class
+      if model_classes
+        model_classes.map {|model_class|
+          Delayer.Deferred.new{ model_class.find_by_uri(target_uri) }
+        }
+      end
     }.compact
     if !promise_list.empty?
       Delayer::Deferred.when(promise_list).next{ |quoting|