=== modified file 'uc_file/uc_file.ca.inc'
--- uc_file/uc_file.ca.inc	2009-01-07 21:02:47 +0000
+++ uc_file/uc_file.ca.inc	2009-02-05 22:33:47 +0000
@@ -319,5 +319,7 @@
   }
 
   // Notify the user of their download(s).
-  ca_pull_trigger('uc_file_notify_grant', $order, $user_downloads);
+  if ($user_downloads) {
+    ca_pull_trigger('uc_file_notify_grant', $order, $user_downloads);
+  }
 }