diff --git a/app/services/uploaded_collection_thumbnail_path_service.rb b/app/services/uploaded_collection_thumbnail_path_service.rb
index 18a3f662e..c22ac5801 100644
--- a/app/services/uploaded_collection_thumbnail_path_service.rb
+++ b/app/services/uploaded_collection_thumbnail_path_service.rb
@@ -9,11 +9,11 @@ def call(object)
 
     # rubocop:disable Metrics/LineLength, Rails/FilePath, Lint/StringConversionInInterpolation
     def uploaded_thumbnail?(collection)
-      File.exist?("#{Rails.root.to_s}/public/uploads/uploaded_collection_thumbnails/#{collection.id}/#{collection.id}_card.jpg")
+      File.exist?(File.join(upload_dir(collection), "#{collection.id}_card.jpg"))
     end
 
     def upload_dir(collection)
-      "#{Rails.root.to_s}/public/uploads/uploaded_collection_thumbnails/#{collection.id}"
+      Hyku::Application.path_for("public/uploads/uploaded_collection_thumbnails/#{collection.id}")
     end
     # rubocop:enable Metrics/LineLength, Rails/FilePath, Lint/StringConversionInInterpolation
   end
diff --git a/app/views/hyrax/dashboard/collections/_current_thumbnail.html.erb b/app/views/hyrax/dashboard/collections/_current_thumbnail.html.erb
index 33306d375..fb64f8cc4 100644
--- a/app/views/hyrax/dashboard/collections/_current_thumbnail.html.erb
+++ b/app/views/hyrax/dashboard/collections/_current_thumbnail.html.erb
@@ -1,5 +1,5 @@
 <% thumbnail_path = SolrDocument.find(@collection.id).thumbnail_path %>
- <% if thumbnail_path.include?("uploaded_collection_thumbnails") and File.exist? Rails.root.join("public#{::SolrDocument.find(@collection.id).thumbnail_path}") %>
+ <% if thumbnail_path.include?("uploaded_collection_thumbnails") and File.exist? Hyky::Application.path_for("public#{::SolrDocument.find(@collection.id).thumbnail_path}") %>
   <%= image_tag(thumbnail_path, class: "current-thumbnail") %>
   <p>Current image: <strong><%= @thumbnail_filename %></strong></p>
 <% else %>