diff --git a/io/serialport/25-serial.html b/io/serialport/25-serial.html
index f0e461ff..1ecc910c 100644
--- a/io/serialport/25-serial.html
+++ b/io/serialport/25-serial.html
@@ -147,7 +147,7 @@
     <div class="form-row">
         <label for="node-config-input-serialport"><i class="fa fa-random"></i> <span data-i18n="serial.label.serialport"></span></label>
         <input type="text" id="node-config-input-serialport" style="width:66%;" data-i18n="[placeholder]serial.placeholder.serialport">
-        <a id="node-config-lookup-serial" class="btn"><i id="node-config-lookup-serial-icon" class="fa fa-search"></i></a>
+        <a id="node-config-lookup-serial" class="red-ui-button"><i id="node-config-lookup-serial-icon" class="fa fa-search"></i></a>
     </div>
     <div class="form-row">
         <table width="100%"><tr>
@@ -354,10 +354,7 @@
                 $("#node-config-lookup-serial").addClass('disabled');
                 $.getJSON('serialports',function(data) {
                     $("#node-config-lookup-serial").removeClass('disabled');
-                    var ports = [];
-                    $.each(data, function(i, port) {
-                        ports.push(port.comName);
-                    });
+                    var ports = data || [];
                     $("#node-config-input-serialport").autocomplete({
                         source:ports,
                         minLength:0,
diff --git a/io/serialport/25-serial.js b/io/serialport/25-serial.js
index 7218e8b7..6fdd34a8 100644
--- a/io/serialport/25-serial.js
+++ b/io/serialport/25-serial.js
@@ -444,8 +444,14 @@ module.exports = function(RED) {
     }());
 
     RED.httpAdmin.get("/serialports", RED.auth.needsPermission('serial.read'), function(req,res) {
-        serialp.list(function (err, ports) {
-            res.json(ports);
-        });
+        serialp.list().then(
+            ports => {
+                const a = ports.map(p => p.path);
+                res.json(a);
+            },
+            err => {
+                node.log('Error listing serial ports', err)
+            }
+        )
     });
 }
diff --git a/io/serialport/package.json b/io/serialport/package.json
index 0d21c890..c365d785 100644
--- a/io/serialport/package.json
+++ b/io/serialport/package.json
@@ -1,6 +1,6 @@
 {
     "name"          : "node-red-node-serialport",
-    "version"       : "0.9.0",
+    "version"       : "0.9.1",
     "description"   : "Node-RED nodes to talk to serial ports",
     "dependencies"  : {
         "serialport"   : "^8.0.5"