X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/03e8ba641e0161f15d96351e2432805977fd9d57..b20770d7e5a4ba0a974a7b98fce87b81aead95d9:/apps/workbench/app/helpers/collections_helper.rb

diff --git a/apps/workbench/app/helpers/collections_helper.rb b/apps/workbench/app/helpers/collections_helper.rb
index 0564ec99b1..25f2cb53e6 100644
--- a/apps/workbench/app/helpers/collections_helper.rb
+++ b/apps/workbench/app/helpers/collections_helper.rb
@@ -59,13 +59,12 @@ module CollectionsHelper
   #
   def preview_allowed_for file_name
     file_type = MIME::Types.type_for(file_name).first
-
     if file_type.nil?
       false
     elsif (file_type.raw_media_type == "text") || (file_type.raw_media_type == "image")
       true
     elsif (file_type.raw_media_type == "application") &&
-          (Rails.configuration.filename_suffixes_with_view_icon.include? ((file_name.split('.')[-1]).downcase))
+          (Rails.configuration.application_mimetypes_with_view_icon.include? (file_type.sub_type))
       true
     else
       false