diff --git a/application/controllers/MigrateController.php b/application/controllers/MigrateController.php
index 2b2bf0179..fc46fbe51 100644
--- a/application/controllers/MigrateController.php
+++ b/application/controllers/MigrateController.php
@@ -110,7 +110,7 @@ public function searchUrlAction()
 
             $newFilter = $traverseFilter($filter);
             if ($newFilter !== null) {
-                $result[] = rawurldecode($url->setFilter($newFilter)->getAbsoluteUrl());
+                $result[] = rawurldecode($url->setParams([])->setFilter($newFilter)->getAbsoluteUrl());
             } else {
                 $result[] = $url->getAbsoluteUrl();
             }
diff --git a/library/Icingadb/Compat/UrlMigrator.php b/library/Icingadb/Compat/UrlMigrator.php
index ffee88986..260cd015f 100644
--- a/library/Icingadb/Compat/UrlMigrator.php
+++ b/library/Icingadb/Compat/UrlMigrator.php
@@ -67,7 +67,7 @@ public static function transformUrl(Url $url): Url
             $filter = QueryString::parse((string) $url->getParams());
             $filter = self::transformFilter($filter, $queryTransformer);
             if ($filter) {
-                $url->setFilter($filter);
+                $url->setParams([])->setFilter($filter);
             }
         }