Index: simplenews_statistics.module
===================================================================
--- simplenews_statistics.module	(revision 347)
+++ simplenews_statistics.module	(working copy)
@@ -101,7 +101,13 @@
   if ($stat['mail'] && $stat['nid'] && $stat['url']) {
     db_query("INSERT INTO {simplenews_statistics_clicks} (email, nid, url, timestamp) VALUES ('%s', %d, '%s', %d)", 
             $stat['mail'], $stat['nid'], urldecode($stat['url']), time());
-    
+
+    foreach ($stat as $idx=>$stat_param) {
+      if ($idx!='nid' && $idx!='mail' && $idx!='url') {
+        $idx = str_replace('amp;', '', $idx);
+        $stat['url'] = $stat['url'].'&'.$idx.'='.$stat_param;
+      }
+    }
     drupal_goto(urldecode($stat['url']));
   }