diff --git a/app/shipment_types.rb b/app/shipment_types.rb
index bf9a90a..062f946 100644
--- a/app/shipment_types.rb
+++ b/app/shipment_types.rb
@@ -103,7 +103,7 @@ class WarehouseShipment < Shipment
   end
 
   def title_text
-    fields["user_facing_title"] || fields["Request Type"].join(', ')
+    fields["user_facing_title"] || fields["Request Type"]&.join(', ') || "Who knows?"
   end
 
   def date