diff --git a/app/controllers/protocols_controller.rb b/app/controllers/protocols_controller.rb
index c73e0298b2..30bdfa41d3 100644
--- a/app/controllers/protocols_controller.rb
+++ b/app/controllers/protocols_controller.rb
@@ -907,8 +907,8 @@ def export_protocol_file_name(protocols)
     if protocols.count == 1
       file_name = 'protocol.eln'
       unless protocol_name.nil?
-        escaped_name = protocol_name.gsub(/[^0-9a-zA-Z\-.,_]/i, '_')
-                                    .downcase[0..Constants::NAME_MAX_LENGTH]
+        escaped_name = ActiveStorage::Filename.new(protocol_name).sanitized.to_s
+                                              .downcase[0..Constants::NAME_MAX_LENGTH]
         file_name = escaped_name + '.eln' unless escaped_name.blank?
       end
     elsif protocols.length > 1