diff --git a/app/controllers/vehicles_controller.rb b/app/controllers/vehicles_controller.rb
index 284e034..09b975e 100644
--- a/app/controllers/vehicles_controller.rb
+++ b/app/controllers/vehicles_controller.rb
@@ -41,7 +41,7 @@ class VehiclesController < ApplicationController
   # return an HTML form for editing a vehicle
   def edit
     @vehicle = Vehicle.find_by_id(params[:id])
-    @customer = @vehicle.qbo_customer.id
+    @customer = @vehicle.qbo_customer.id if @vehicle.qbo_customer
   end
   
   # update a specific vehicle