diff --git a/www/assets/js/history-loggedin.js b/www/assets/js/history-loggedin.js
index 7f50e911a5..e31787ceb4 100644
--- a/www/assets/js/history-loggedin.js
+++ b/www/assets/js/history-loggedin.js
@@ -32,12 +32,19 @@
 
   function handleDaySelector() {
     const daySelector = document.querySelector("select[name=days]");
+	const filter = document.getElementById('filter');
+
     daySelector.addEventListener("change", (e) => {
       const days = e.target.value;
       const protocol = window.location.protocol;
       const hostname = window.location.hostname;
-      const redirectUri = protocol + "//" + hostname + "/testlog/" + days + "/";
 
+	  if (filter.value) {
+		document.querySelector('form[name=filterLog]').submit();
+		return;
+	  }
+
+	  const redirectUri = protocol + "//" + hostname + "/testlog/" + days + "/";
       window.location = redirectUri;
     });
   }
diff --git a/www/resources/views/pages/testhistory.blade.php b/www/resources/views/pages/testhistory.blade.php
index 77bf3920a9..1eb3c6546a 100644
--- a/www/resources/views/pages/testhistory.blade.php
+++ b/www/resources/views/pages/testhistory.blade.php
@@ -16,7 +16,7 @@
 
         <div class="history_filter">
             <label for="filter">Filter test history:</label>
-            <input id="filter" name="filter" type="text" onkeyup="filterHistory()" placeholder="Search">
+            <input id="filter" name="filter" type="text" onkeyup="filterHistory()" placeholder="Search" value="{{ $filter ?? '' }}">
             @if ($is_logged_in)
                 <label for="days" class="a11y-hidden">Select how far back you want to see</label>
                 <select name="days" id="days">
diff --git a/www/testlog.php b/www/testlog.php
index 1d667b251d..5a0a89024f 100644
--- a/www/testlog.php
+++ b/www/testlog.php
@@ -31,6 +31,9 @@
 $csv = isset($_GET['f']) && !strcasecmp($_GET['f'], 'csv');
 $priority = (isset($_REQUEST['priority']) && is_numeric($_REQUEST['priority'])) ? intval($_REQUEST['priority']) : null;
 $days = (int)($_GET['days'] ?? 7);
+$filter    = $_GET["filter"];
+$filterstr = $filter ? preg_replace('/[^a-zA-Z0-9 \@\/\:\.\(\))\-\+]/', '', strtolower($filter)) : null;
+
 
 $GLOBALS['tab'] = 'Test History';
 $GLOBALS['page_description'] = 'History of website performance speed tests run on WebPageTest.';
@@ -52,7 +55,7 @@
         'local' => isset($_REQUEST['local']) && $_REQUEST['local'],
         'body_class' => 'history',
         'page_title' => 'WebPageTest - Test History',
-
+        'filter' => $filterstr
     ];
 
     echo view('pages.testhistory', $vars);
@@ -70,8 +73,6 @@
 }
 
 $from      = (isset($_GET["from"]) && strlen($_GET["from"])) ? $_GET["from"] : 'now';
-$filter    = $_GET["filter"];
-$filterstr = $filter ? preg_replace('/[^a-zA-Z0-9 \@\/\:\.\(\))\-\+]/', '', strtolower($filter)) : null;
 $onlyVideo = !empty($_REQUEST['video']);
 $all       = ($admin || !Util::getSetting('forcePrivate')) && !empty($_REQUEST['all']);
 $repeat    = !empty($_REQUEST['repeat']);