diff --git a/media/js/main.js b/media/js/main.js
index 5a360bd8..30b7bf79 100644
--- a/media/js/main.js
+++ b/media/js/main.js
@@ -27,7 +27,9 @@ window.addEventListener("hashchange", shiftWindow);
 /*
  * Debian/Ubuntu download dropdowns
  */
-function updateDebianSeries(select) {
-    var deb = document.getElementById('series-deb');
-    deb.innerHTML = select.value;
-}
+$(function() {
+    $('select#debseries').change(function() {
+	var deb = document.getElementById('series-deb');
+	deb.innerHTML = $(this).val();
+    });
+});
diff --git a/templates/pages/download/linux/debian.html b/templates/pages/download/linux/debian.html
index cfa521da..bb7b70d3 100644
--- a/templates/pages/download/linux/debian.html
+++ b/templates/pages/download/linux/debian.html
@@ -40,7 +40,7 @@ To use the apt repository, follow these steps:
 </p>
 <ol>
  <li>
-  <select id="field.series" name="field.series" class="custom-select" onchange='updateDebianSeries(this);'>
+  <select id="debseries" name="field.series" class="custom-select">
    <option selected="selected" value="YOUR_DEBIAN_VERSION_HERE">Choose your Debian version</option>
    <option value="stretch">Stretch (9.x)</option>
    <option value="jessie">Jessie (8.x)</option>
diff --git a/templates/pages/download/linux/ubuntu.html b/templates/pages/download/linux/ubuntu.html
index 0a13a485..ac2b8008 100644
--- a/templates/pages/download/linux/ubuntu.html
+++ b/templates/pages/download/linux/ubuntu.html
@@ -41,7 +41,7 @@ To use the apt repository, follow these steps:
 </p>
 <ul>
   <li>
-    <select id="field.series" name="field.series" class="custom-select" onchange='updateDebianSeries(this);'>
+    <select id="debseries" name="field.series" class="custom-select">
       <option selected="selected" value="YOUR_UBUNTU_VERSION_HERE">Choose your Ubuntu version</option>
       <option value="bionic">Bionic (18.04)</option>
       <option value="xenial">Xenial (16.04)</option>