diff --git a/views/layout_header.php b/views/layout_header.php
index 5b69d56..6cf2429 100644
--- a/views/layout_header.php
+++ b/views/layout_header.php
@@ -233,7 +233,7 @@ $_lt_assetVer  = $GLOBALS['config']['ASSET_VERSION'] ?? '20260329';
         { id: 'nav-dashboard',  label: 'Dashboard',        icon: '⌂', group: 'Navigate', action: function(){ location.href = '/'; } },
         { id: 'nav-new-ticket', label: 'New Ticket',        icon: '+', group: 'Navigate', kbd: 'N',  action: function(){ location.href = '/create'; } },
         { id: 'filter-mine',    label: 'My Open Tickets',   icon: '◈', group: 'Filter',   action: function(){ location.href = '/?assigned_to=me&status=Open,In+Progress,Pending'; } },
-        { id: 'filter-unassigned', label: 'Unassigned Tickets', icon: '◌', group: 'Filter', action: function(){ location.href = '/?assigned_to=none'; } },
+        { id: 'filter-unassigned', label: 'Unassigned Tickets', icon: '◌', group: 'Filter', action: function(){ location.href = '/?assigned_to=unassigned'; } },
         { id: 'filter-critical', label: 'P1 Critical Tickets', icon: '!', group: 'Filter', action: function(){ location.href = '/?priority=1'; } },
       ];
       if (isAdmin) {