diff --git a/router/api.js b/router/api.js
index 444d980..1d8e13a 100644
--- a/router/api.js
+++ b/router/api.js
@@ -50,7 +50,7 @@ module.exports = (fastify, opts, done) => {
       let file = '<?xml version="1.0" encoding="UTF-8" standalone="yes"?><gpx xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.topografix.com/GPX/1/1" version="1.1" creator="EMTAC BTGPS Trine II DataLog Dump 1.0 - http://www.ayeltd.biz" xsi:schemaLocation="http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd">'
       const data = JSON.parse(val);
       const gen_wpt = (name,desc,latlon,icon="Flag") => `<wpt lat="${latlon[0]}" lon="${latlon[1]}"><ele>0</ele><name>${name}</name><cmt>-</cmt><desc>${desc}</desc><sym>${icon}</sym></wpt>`
-      const esc_str = (str) => str.replace('"',"&quot;").replace("'","&apos;").replace("<","&lt;").replace(">","&gt;").replace("&","&amp;").replace("\n","...")
+      const esc_str = (str) => (str||"Undefined").replace('"',"&quot;").replace("'","&apos;").replace("<","&lt;").replace(">","&gt;").replace("&","&amp;").replace("\n","...")
       data.main.forEach(a => {
         file+= gen_wpt(esc_str(a.hotel.name), esc_str(a.hotel.notes), a.hotel.latlon, icon="Hotel");
         a.places.restaurants.forEach(b => {