diff --git a/node-red-grist/records.js b/node-red-grist/records.js
index 62086eb..e58f92b 100644
--- a/node-red-grist/records.js
+++ b/node-red-grist/records.js
@@ -8,7 +8,7 @@ module.exports = function(RED) {
         this.server = RED.nodes.getNode(config.server);
         this.table = config.tableId
         node.on('input', async function(msg, send, done) {
-            const protocol=this.server.tlsEnabled ? "https" : "http";
+            const protocol=this.server.tlsEnabled === true ? "https" : "http";
             const url=protocol+"://"+this.server.hostname+":"+this.server.port;
             
             const api = new GristDocAPI(this.document.docid,{apiKey:this.server.apiKey,server:url});
diff --git a/node-red-grist/server.html b/node-red-grist/server.html
index c001c82..8541ca3 100644
--- a/node-red-grist/server.html
+++ b/node-red-grist/server.html
@@ -24,8 +24,8 @@
         <input type="text" id="node-config-input-port">
     </div>
     <div class="form-row">
-        <label for="node-config-input-tlsenabled"><i class="fa fa-bookmark"></i> Enable TLS</label>
-        <input type="text" id="node-config-input-tlsenabled">
+        <label for="node-config-input-tlsEnabled"><i class="fa fa-bookmark"></i> Enable TLS</label>
+        <input type="checkbox" id="node-config-input-tlsEnabled">
     </div>
     <div class="form-row">
         <label for="node-config-input-apiKey"><i class="fa fa-bookmark"></i> API Key</label>