diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 7b71f63639721e40b112a1c11e102dc6f11976e0..475341cf9b185a4899a9b1a12701b3f1463704aa 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -34,7 +34,7 @@ module ApplicationHelper
 
   def project_icon(project_id, options = {})
     project =
-      if project_id.is_a?(Project) || project_id.is_a?(ProjectPresenter)
+      if project_id.respond_to?(:avatar_url)
         project_id
       else
         Project.find_by_full_path(project_id)