Index: phplist.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/phplist/phplist.module,v
retrieving revision 1.10
diff -u -r1.10 phplist.module
--- phplist.module	19 Mar 2008 12:55:57 -0000	1.10
+++ phplist.module	9 Sep 2008 15:51:06 -0000
@@ -956,13 +956,14 @@
   );
   
   $lists = _phplist_get_public_lists($user);
+
   foreach ($lists as $l) {
-    if ($form_values['phplist_subscribe_lists'][$l->lid]) {
+    if ($form_values['phplist_subscribe_lists'][$l->lid] || count($lists) == 1) {
       $listkey = '['. $l->lid .']';
-      $data['list'. $listkey] = 'subscribe';
+      $data['list'. $listkey] = 'signup';
     }
   }
-  
+
   $postdata = '';
   foreach ($data as $key => $val) {
     $postdata .= ($postdata ? '&' : '') . urlencode($key) .'='. urlencode($val);