diff --git a/Rocksolid_Light/rocksolid/index.php b/Rocksolid_Light/rocksolid/index.php
index 14c725f..fb5674a 100644
--- a/Rocksolid_Light/rocksolid/index.php
+++ b/Rocksolid_Light/rocksolid/index.php
@@ -58,6 +58,8 @@ echo '</td>';
 echo '<td width=100%></td></tr></table>';
 
 flush();
+
+// Unsubscribe from group
 if (isset($_GET['unsub'])) {
     if (isset($_COOKIE['mail_name'])) {
         if ($userdata = get_user_mail_auth_data($_COOKIE['mail_name'])) {
@@ -74,6 +76,17 @@ if (isset($_GET['unsub'])) {
         }
     }
 }
+// Mark group as read
+if (isset($_GET['mark_read'])) {
+    if (isset($_COOKIE['mail_name'])) {
+        if ($userdata = get_user_mail_auth_data($_COOKIE['mail_name'])) {
+            $userfile = $spooldir . '/' . strtolower($_COOKIE['mail_name']) . '-articleviews.dat';
+            $user_config = unserialize(file_get_contents($config_dir . '/userconfig/' . strtolower($_COOKIE['mail_name']) . '.config'));
+            $userdata[$_GET['mark_read']] = time();
+            file_put_contents($userfile, serialize($userdata));
+        }
+    }
+}
 
 $newsgroups = groups_read($server, $port);
 echo '<div class="np_index_groups">';
diff --git a/Rocksolid_Light/rocksolid/newsportal.php b/Rocksolid_Light/rocksolid/newsportal.php
index 3621796..06bac47 100644
--- a/Rocksolid_Light/rocksolid/newsportal.php
+++ b/Rocksolid_Light/rocksolid/newsportal.php
@@ -691,6 +691,7 @@ function groups_show($gruppen)
                 $groupdisplay .= '<a class="np_group_user_tools" href="index.php?unsub=' . urlencode($g->name) . '">(unsubscribe)</a>';
                 if ($new) {
                     $groupdisplay .= '&nbsp;<a href="overboard.php?thisgroup=' . urlencode($g->name) . '&time=' . $userdata[$g->name] . '"><b>(new)</b></a> ';
+                    $groupdisplay .= '&nbsp;<a class="np_group_user_tools" href="index.php?mark_read=' . urlencode($g->name) . '">(mark read)</a>';
                 }
                 $groupdisplay .= '</p';
             } else {