diff --git a/views/DashboardView.php b/views/DashboardView.php
index d210aa2..2db7bed 100644
--- a/views/DashboardView.php
+++ b/views/DashboardView.php
@@ -292,9 +292,10 @@ include __DIR__ . '/layout_header.php';
   }
 
   function gotoFilter(params) {
-    var qs = new URLSearchParams();
+    var qs = new URLSearchParams(window.location.search);
     Object.keys(params).forEach(function(k) {
       if (params[k] !== null && params[k] !== undefined && params[k] !== '') qs.set(k, params[k]);
+      else qs.delete(k);
     });
     window.location.href = '/?' + qs.toString();
   }