diff --git a/setup/static/render.js b/setup/static/render.js
index 9cfaa343..f1b8e0a5 100644
--- a/setup/static/render.js
+++ b/setup/static/render.js
@@ -83,7 +83,7 @@ $(document).ready(function() {
 			$("#ipv6").hide();
 		}
 	});
-	$("#unbound").change(function() {
+	$("#resolver_enabled").change(function() {
 		if ($(this).is(":checked")) {
 			$("#unbound").hide();
 		} else {
diff --git a/setup/templates/steps/compose/03_expose.html b/setup/templates/steps/compose/03_expose.html
index 2c5537fe..fe0802fb 100644
--- a/setup/templates/steps/compose/03_expose.html
+++ b/setup/templates/steps/compose/03_expose.html
@@ -43,7 +43,7 @@ avoid generic all-interfaces addresses like <code>0.0.0.0</code> or <code>::</co
 <div class="form-check form-check-inline">
   <p>The unbound resolver enables Mailu to do DNSSEC verification, DNS root lookups and caching. This also helps the antispam service not to get blocked by the public or ISP DNS servers.</p>
   <label class="form-check-label">
-    <input class="form-check-input" type="checkbox" name="resolver_enabled" value="true" checked>
+    <input class="form-check-input" type="checkbox" id="resolver_enabled" name="resolver_enabled" value="true" checked>
     Enable an internal DNS resolver (unbound)
   </label>
 </div>