Index: uc_store/uc_store.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/ubercart/uc_store/uc_store.module,v
retrieving revision 1.14.2.21
diff -u -p -r1.14.2.21 uc_store.module
--- uc_store/uc_store.module	7 May 2009 20:52:28 -0000	1.14.2.21
+++ uc_store/uc_store.module	5 Jun 2009 10:11:19 -0000
@@ -1939,7 +1939,7 @@ function uc_store_send_report() {
   $response = drupal_http_request('http://www.ubercart.org/statistics/report', array('Content-Type' => 'application/x-www-form-urlencoded'), 'POST', drupal_query_string_encode($data));
 
   // If we got a response, store it as the site ID.
-  if ($response->data) {
+  if ($response->data && strlen($response->data) == 32) {
     variable_set('uc_store_site_id', $response->data);
   }