diff --git a/app/models/chouette/route.rb b/app/models/chouette/route.rb
index <HASH>..<HASH> 100644
--- a/app/models/chouette/route.rb
+++ b/app/models/chouette/route.rb
@@ -16,7 +16,7 @@ class Chouette::Route < Chouette::TridentActiveRecord
     def find_by_stop_area(stop_area)
       stop_area_ids = Integer === stop_area ? [stop_area] : (stop_area.children_in_depth + [stop_area]).map(&:id)
       where( :stop_area_id => stop_area_ids).first or
-        raise ActiveRecord::RecordNotFound.new("Can't find a StopArea #{stop_area.inspect} in Route #{owner.id.inspect}'s StopPoints")
+        raise ActiveRecord::RecordNotFound.new("Can't find a StopArea #{stop_area.inspect} in Route #{proxy_owner.id.inspect}'s StopPoints")
     end
 
     def between(departure, arrival)
@@ -40,7 +40,7 @@ class Chouette::Route < Chouette::TridentActiveRecord
       departure, arrival = [departure, arrival].collect do |endpoint|
         String === endpoint ? Chouette::StopArea.find_by_objectid(endpoint) : endpoint
       end
-      proxy_owner.stop_points.between(departure, arrival).includes(:stop_areas).collect(&:stop_area)
+      proxy_owner.stop_points.between(departure, arrival).includes(:stop_area).collect(&:stop_area)
     end
   end
Use stop_area relation in place of stop_areas for stop_points