diff --git a/app/controllers/customers_controller.rb b/app/controllers/customers_controller.rb
index fcb7142..353e266 100644
--- a/app/controllers/customers_controller.rb
+++ b/app/controllers/customers_controller.rb
@@ -214,14 +214,14 @@ class CustomersController < ApplicationController
   # format a quickbooks address to a human readable string
   def address_to_s (address)
     return if address.nil?
-    string = address.line1
+    string = address.line1 if address.line1
     string << "\n" + address.line2 if address.line2
     string << "\n" + address.line3 if address.line3
     string << "\n" + address.line4 if address.line4
     string << "\n" + address.line5 if address.line5
-    string << " " + address.city
-    string << ", " + address.country_sub_division_code
-    string << " " + address.postal_code
+    string << " " + address.city if address.city
+    string << ", " + address.country_sub_division_code if address.country_sub_division_code
+    string << " " + address.postal_code if address.postal_code
     return string
   end