diff --git a/src/Controller/CAPI/RiderAppController.php b/src/Controller/CAPI/RiderAppController.php
index 19a8cd7e..c88aa72d 100644
--- a/src/Controller/CAPI/RiderAppController.php
+++ b/src/Controller/CAPI/RiderAppController.php
@@ -1410,7 +1410,8 @@ class RiderAppController extends ApiController
         // assuming JO information is already valid since this 
         // is in the system already
         // add promo if any to criteria
-        $icrit->addPromo($promo);
+        if ($promo != null)
+            $icrit->addPromo($promo);
 
         // get the battery purchased from existing invoice items
         // add the batteries ordered to criteria