diff --git a/program/lib/Roundcube/rcube_imap.php b/program/lib/Roundcube/rcube_imap.php
index 794f25a37..6bb922d90 100644
--- a/program/lib/Roundcube/rcube_imap.php
+++ b/program/lib/Roundcube/rcube_imap.php
@@ -332,6 +332,10 @@ class rcube_imap extends rcube_storage
         $this->search_sort_field = $set[3];
         $this->search_sorted     = $set[4];
         $this->search_threads    = is_a($this->search_set, 'rcube_result_thread');
+
+        if (is_a($this->search_set, 'rcube_result_multifolder')) {
+            $this->set_threading(false);
+        }
     }
 
 
diff --git a/program/steps/mail/search.inc b/program/steps/mail/search.inc
index 51dab7dc4..e13bc2ce5 100644
--- a/program/steps/mail/search.inc
+++ b/program/steps/mail/search.inc
@@ -181,6 +181,7 @@ else {
 
 // update message count display
 $OUTPUT->set_env('search_request', $search_str ? $search_request : '');
+$OUTPUT->set_env('threading', $RCMAIL->storage->get_threading());
 $OUTPUT->set_env('messagecount', $count);
 $OUTPUT->set_env('pagecount', ceil($count/$RCMAIL->storage->get_pagesize()));
 $OUTPUT->set_env('exists', $RCMAIL->storage->count($mbox_name, 'EXISTS'));
diff --git a/skins/larry/ui.js b/skins/larry/ui.js
index e5fce9197..b95e1f1c6 100644
--- a/skins/larry/ui.js
+++ b/skins/larry/ui.js
@@ -139,7 +139,8 @@ function rcube_mail_ui()
     if (rcmail.env.task == 'mail') {
       rcmail.addEventListener('menu-open', menu_open)
         .addEventListener('menu-save', menu_save)
-        .addEventListener('responseafterlist', function(e){ switch_view_mode(rcmail.env.threading ? 'thread' : 'list') });
+        .addEventListener('responseafterlist', function(e){ switch_view_mode(rcmail.env.threading ? 'thread' : 'list', true) })
+        .addEventListener('responseaftersearch', function(e){ switch_view_mode(rcmail.env.threading ? 'thread' : 'list', true) });
 
       var dragmenu = $('#dragmessagemenu');
       if (dragmenu.length) {
@@ -730,9 +731,9 @@ function rcube_mail_ui()
   /**
    *
    */
-  function switch_view_mode(mode)
+  function switch_view_mode(mode, force)
   {
-    if (!$('#mail'+mode+'mode').hasClass('disabled')) {
+    if (force || !$('#mail'+mode+'mode').hasClass('disabled')) {
       $('#maillistmode, #mailthreadmode').removeClass('selected');
       $('#mail'+mode+'mode').addClass('selected');
     }