diff --git a/htdocs/public/css/main.css b/htdocs/public/css/main.css
index 7c587cd..16fa67a 100755
--- a/htdocs/public/css/main.css
+++ b/htdocs/public/css/main.css
@@ -93,6 +93,10 @@ a {
   background-image: url(/images/checked.png);
 }
 
+.dropdown-content-checkbox-hidden {
+  display: none !important;
+}
+
 /* Hide the link that should open and close the topnav on small screens */
 .topnav .icon {
   display: none;
diff --git a/htdocs/public/index.php b/htdocs/public/index.php
index 414ace9..5abb463 100755
--- a/htdocs/public/index.php
+++ b/htdocs/public/index.php
@@ -58,6 +58,7 @@
                 options['isMobile'] = false;
                 options['useImperialUnit'] = <?php echo (isImperialUnitUser() ? 'true': 'false'); ?>;
                 options['coverageDataUrl'] = 'data/coverage.php';;
+                options['defaultTimeLength'] = 60; // In minutes
 
                 var md = new MobileDetect(window.navigator.userAgent);
                 if (md.mobile() !== null) {
@@ -173,12 +174,12 @@
                 <div class="dropdown-content" id="tdTopnavTimelength">
                     <a href="javascript:void(0);" onclick="trackdirect.setTimeLength(10); $('#tdTopnavTimelength>a').removeClass('dropdown-content-checkbox-active'); $(this).addClass('dropdown-content-checkbox-active');" class="dropdown-content-checkbox">10 minutes</a>
                     <a href="javascript:void(0);" onclick="trackdirect.setTimeLength(30); $('#tdTopnavTimelength>a').removeClass('dropdown-content-checkbox-active'); $(this).addClass('dropdown-content-checkbox-active');" class="dropdown-content-checkbox">30 minutes</a>
-                    <a href="javascript:void(0);" id="tdTopnavTimelength60" onclick="trackdirect.setTimeLength(60); $('#tdTopnavTimelength>a').removeClass('dropdown-content-checkbox-active'); $(this).addClass('dropdown-content-checkbox-active');" class="dropdown-content-checkbox dropdown-content-checkbox-active">1 hour</a>
+                    <a href="javascript:void(0);" id="tdTopnavTimelengthDefault" onclick="trackdirect.setTimeLength(60); $('#tdTopnavTimelength>a').removeClass('dropdown-content-checkbox-active'); $(this).addClass('dropdown-content-checkbox-active');" class="dropdown-content-checkbox">1 hour</a>
                     <a href="javascript:void(0);" onclick="trackdirect.setTimeLength(180); $('#tdTopnavTimelength>a').removeClass('dropdown-content-checkbox-active'); $(this).addClass('dropdown-content-checkbox-active');" class="dropdown-content-checkbox">3 hours</a>
                     <a href="javascript:void(0);" onclick="trackdirect.setTimeLength(360); $('#tdTopnavTimelength>a').removeClass('dropdown-content-checkbox-active'); $(this).addClass('dropdown-content-checkbox-active');" class="dropdown-content-checkbox">6 hours</a>
-                    <a href="javascript:void(0);" onclick="trackdirect.setTimeLength(720); $('#tdTopnavTimelength>a').removeClass('dropdown-content-checkbox-active'); $(this).addClass('dropdown-content-checkbox-active');" class="dropdown-content-checkbox">12 hours</a>
-                    <a href="javascript:void(0);" onclick="trackdirect.setTimeLength(1080); $('#tdTopnavTimelength>a').removeClass('dropdown-content-checkbox-active'); $(this).addClass('dropdown-content-checkbox-active');" class="dropdown-content-checkbox">18 hours</a>
-                    <a href="javascript:void(0);" onclick="trackdirect.setTimeLength(1440); $('#tdTopnavTimelength>a').removeClass('dropdown-content-checkbox-active'); $(this).addClass('dropdown-content-checkbox-active');" class="dropdown-content-checkbox">24 hours</a>
+                    <a href="javascript:void(0);" onclick="trackdirect.setTimeLength(720); $('#tdTopnavTimelength>a').removeClass('dropdown-content-checkbox-active'); $(this).addClass('dropdown-content-checkbox-active');" class="dropdown-content-checkbox dropdown-content-checkbox-only-filtering dropdown-content-checkbox-hidden">12 hours</a>
+                    <a href="javascript:void(0);" onclick="trackdirect.setTimeLength(1080); $('#tdTopnavTimelength>a').removeClass('dropdown-content-checkbox-active'); $(this).addClass('dropdown-content-checkbox-active');" class="dropdown-content-checkbox dropdown-content-checkbox-only-filtering dropdown-content-checkbox-hidden">18 hours</a>
+                    <a href="javascript:void(0);" onclick="trackdirect.setTimeLength(1440); $('#tdTopnavTimelength>a').removeClass('dropdown-content-checkbox-active'); $(this).addClass('dropdown-content-checkbox-active');" class="dropdown-content-checkbox dropdown-content-checkbox-only-filtering dropdown-content-checkbox-hidden">24 hours</a>
                 </div>
             </div>
 
diff --git a/htdocs/public/js/main.js b/htdocs/public/js/main.js
index 7967c9a..37b9e0f 100755
--- a/htdocs/public/js/main.js
+++ b/htdocs/public/js/main.js
@@ -19,6 +19,11 @@ if (!inIframe()) {
   $("#tdTopnav").hide();
 }
 
+// Set correct time length option to active
+jQuery(document).ready(function ($) {
+  $("#tdTopnavTimelengthDefault").addClass("dropdown-content-checkbox-active");
+});
+
 // Open station dialog if user clicked on station name
 jQuery(document).ready(function ($) {
   trackdirect.addListener("station-name-clicked", function (data) {
@@ -86,9 +91,10 @@ jQuery(document).ready(function ($) {
       // Time travel is stopped when filtering is stopped
       $("#right-container-timetravel").hide();
 
-      // Tail length is reset to 60 minutes when filtering is stopped
-      $("#tdTopnavTimelength>a").removeClass("active");
-      $("#tdTopnavTimelength60").addClass("active");
+      // Reset tail length to default when filtering is stopped
+      $("#tdTopnavTimelength>a").removeClass("dropdown-content-checkbox-active");
+      $("#tdTopnavTimelengthDefault").addClass("dropdown-content-checkbox-active");
+      $(".dropdown-content-checkbox-only-filtering").addClass("dropdown-content-checkbox-hidden");
     } else {
       var counts = {};
       for (var i = 0; i < packets.length; i++) {
@@ -102,6 +108,7 @@ jQuery(document).ready(function ($) {
         "Filtering on " + Object.keys(counts).length + " station(s)"
       );
       $("#right-container-filtered").show();
+      $(".dropdown-content-checkbox-only-filtering").removeClass("dropdown-content-checkbox-hidden");
     }
   });
 });