diff --git a/CHANGELOG b/CHANGELOG
index 2397f03af..23f0bc4e1 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -70,6 +70,7 @@ CHANGELOG Roundcube Webmail
 - Fix bug where selection of columns on messages list wasn't working
 - Fix bug in converting multi-page Tiff images to Jpeg (#6824)
 - Fix bug where handling multiple messages from multi-folder search result could not work (#6845)
+- Fix bug where unread count wasn't updated after moving multi-folder result (#6846)
 
 RELEASE 1.4-rc1
 ---------------
diff --git a/plugins/archive/archive.php b/plugins/archive/archive.php
index 5917fc389..3218b6e25 100644
--- a/plugins/archive/archive.php
+++ b/plugins/archive/archive.php
@@ -257,6 +257,7 @@ class archive extends rcube_plugin
         $pages          = ceil($msg_count / $page_size);
         $nextpage_count = $old_count - $page_size * $page;
         $remaining      = $msg_count - $page_size * ($page - 1);
+        $quota_root     = $multifolder ? $this->result['sources'][0] : 'INBOX';
 
         // jump back one page (user removed the whole last page)
         if ($page > 1 && $remaining == 0) {
@@ -266,22 +267,16 @@ class archive extends rcube_plugin
             $jump_back = true;
         }
 
+        // update unread messages counts for all involved folders
+        foreach ($this->result['sources'] as $folder) {
+            rcmail_send_unread_count($folder, true);
+        }
+
         // update message count display
         $rcmail->output->set_env('messagecount', $msg_count);
         $rcmail->output->set_env('current_page', $page);
         $rcmail->output->set_env('pagecount', $pages);
         $rcmail->output->set_env('exists', $exists);
-
-        // update mailboxlist
-        $unseen_count = $msg_count ? $storage->count($mbox, 'UNSEEN') : 0;
-        $old_unseen   = rcmail_get_unseen_count($mbox);
-        $quota_root   = $multifolder ? $this->result['sources'][0] : 'INBOX';
-
-        if ($old_unseen != $unseen_count) {
-            $rcmail->output->command('set_unread_count', $mbox, $unseen_count, ($mbox == 'INBOX'));
-            rcmail_set_unseen_count($mbox, $unseen_count);
-        }
-
         $rcmail->output->command('set_quota', $rcmail->quota_content(null, $quota_root));
         $rcmail->output->command('set_rowcount', rcmail_get_messagecount_text($msg_count), $mbox);
 
diff --git a/program/steps/mail/mark.inc b/program/steps/mail/mark.inc
index 4bbb65892..a147d8817 100644
--- a/program/steps/mail/mark.inc
+++ b/program/steps/mail/mark.inc
@@ -134,21 +134,14 @@ if ($_uids && $flag) {
                 $jump_back = true;
             }
 
+            foreach ($input as $mbox => $uids) {
+                rcmail_send_unread_count($mbox, true);
+            }
+
             // update message count display
             $OUTPUT->set_env('messagecount', $msg_count);
             $OUTPUT->set_env('current_page', $page);
             $OUTPUT->set_env('pagecount', $pages);
-
-            // update mailboxlist
-            $mbox         = $RCMAIL->storage->get_folder();
-            $unseen_count = $msg_count ? $RCMAIL->storage->count($mbox, 'UNSEEN') : 0;
-            $old_unseen   = rcmail_get_unseen_count($mbox);
-
-            if ($old_unseen != $unseen_count) {
-                $OUTPUT->command('set_unread_count', $mbox, $unseen_count, ($mbox == 'INBOX'));
-                rcmail_set_unseen_count($mbox, $unseen_count);
-            }
-
             $OUTPUT->command('set_rowcount', rcmail_get_messagecount_text($msg_count), $mbox);
 
             if ($threading) {
diff --git a/program/steps/mail/move_del.inc b/program/steps/mail/move_del.inc
index 2c372992e..a3cfd5f57 100644
--- a/program/steps/mail/move_del.inc
+++ b/program/steps/mail/move_del.inc
@@ -135,25 +135,20 @@ if ($page > 1 && $remaining == 0) {
     $jump_back = true;
 }
 
-// update message count display
-$OUTPUT->set_env('messagecount', $msg_count);
-$OUTPUT->set_env('current_page', $page);
-$OUTPUT->set_env('pagecount', $pages);
-$OUTPUT->set_env('exists', $exists);
-
-// update mailboxlist
-$unseen_count = $msg_count ? $RCMAIL->storage->count($mbox, 'UNSEEN') : 0;
-$old_unseen   = rcmail_get_unseen_count($mbox);
-
-if ($old_unseen != $unseen_count) {
-    $OUTPUT->command('set_unread_count', $mbox, $unseen_count, ($mbox == 'INBOX'));
-    rcmail_set_unseen_count($mbox, $unseen_count);
+// update unseen messages counts for all involved folders
+foreach ($sources as $source) {
+    rcmail_send_unread_count($source, true);
 }
 
 if ($RCMAIL->action == 'move' && strlen($target)) {
     rcmail_send_unread_count($target, true);
 }
 
+// update message count display
+$OUTPUT->set_env('messagecount', $msg_count);
+$OUTPUT->set_env('current_page', $page);
+$OUTPUT->set_env('pagecount', $pages);
+$OUTPUT->set_env('exists', $exists);
 $OUTPUT->command('set_quota', $RCMAIL->quota_content(null, $multifolder ? $sources[0] : 'INBOX'));
 $OUTPUT->command('set_rowcount', rcmail_get_messagecount_text($msg_count), $mbox);