diff --git a/app/helpers/projects_helper.rb b/app/helpers/projects_helper.rb
index 7e511df93..ed5f67212 100644
--- a/app/helpers/projects_helper.rb
+++ b/app/helpers/projects_helper.rb
@@ -22,7 +22,7 @@ module ProjectsHelper
   end
 
   def render_download_file_url(owner, repository, filepath, ref)
-    [base_url, "/api/#{owner&.login}/#{repository.identifier}/raw/#{URI.escape(filepath)}?ref=#{URI.escape(ref)}"].join
+    [base_url, "/api/#{owner&.login}/#{repository.identifier}/raw/#{CGI.escape(filepath)}?ref=#{CGI.escape(ref)}"].join
   end
 
   def render_http_url(project)