diff --git a/js/train-detail.js b/js/train-detail.js
index 1d37b8d..e0d1d94 100644
--- a/js/train-detail.js
+++ b/js/train-detail.js
@@ -35,22 +35,24 @@ async function parse(data) {
 
 async function displayOptions(data) {
   for (service in data) {
-    const serviceData = data[service]
-    const lastStop = serviceData['stops'][(serviceData['stops'].length - 1)]
-    log(`displayOptions: data[${service}] = ${serviceData}`, 'dbug')
-    let button = `
+    if (data[service]) {
+      const serviceData = data[service]
+      const lastStop = serviceData?.stops[(serviceData['stops'].length - 1)]
+      log(`displayOptions: data[${service}] = ${serviceData}`, 'dbug')
+      let button = `
       <button class='service_button' onclick='displayOne(data[${service}])'>
         <span class='service_toc'>${serviceData?.operator || 'GW'}</span>
-        <span class='service_origin_time'>${serviceData['stops'][0]['wttDeparture']}</span>
-        <span class='service_origin_tiploc'>${serviceData['stops'][0]['tiploc']}</span>
+        <span class='service_origin_time'>${serviceData?.stops[0]['wttDeparture']}</span>
+        <span class='service_origin_tiploc'>${serviceData?.stops[0]['tiploc']}</span>
         to 
-        <span class='service_dest_tiploc'>${lastStop['tiploc']}</span>
+        <span class='service_dest_tiploc'>${lastStop?.tiploc}</span>
       </button>
     `
-    document.getElementById('train_options').insertAdjacentHTML('beforeend', button)
+      document.getElementById('train_options').insertAdjacentHTML('beforeend', button)
+    }
+    document.getElementById('train_options').style = 'display:block;'
+    return data
   }
-  document.getElementById('train_options').style = 'display:block;'
-  return data
 }
 
 async function displayOne(object) {