diff --git a/js/index.js b/js/index.js
index 069bc4b..cc19ee7 100644
--- a/js/index.js
+++ b/js/index.js
@@ -305,7 +305,7 @@
 
         BR.tracksLoader(map, layersControl, routing);
 
-        BR.routeLoader(map, layersControl, routing,pois);
+        BR.routeLoader(map, layersControl, routing, pois);
 
         pois.addTo(map);
         routingPathQuality.addTo(map);
diff --git a/js/plugin/RouteLoaderConverter.js b/js/plugin/RouteLoaderConverter.js
index 201bd9f..ce3c278 100644
--- a/js/plugin/RouteLoaderConverter.js
+++ b/js/plugin/RouteLoaderConverter.js
@@ -250,7 +250,7 @@ BR.routeLoader = function(map, layersControl, routing, pois) {
 
             if (!this._options.format) this._options.format = trackFile.name.split('.').pop();
 
-            const reader = new FileReader();
+            var reader = new FileReader();
 
             reader.onload = L.bind(this.processFile, this);
             reader.readAsText(trackFile);
diff --git a/locales/en.json b/locales/en.json
index 56573bf..da76e6e 100644
--- a/locales/en.json
+++ b/locales/en.json
@@ -249,7 +249,6 @@
     "explainpoi": "(show waypoints as POI's)",
     "explaintracklayer": "(show Track as separate Layer)",
     "file": "Trackfile",
-    "fromext": "from file extension",
     "fuzziness": "fuzzines",
     "pleasewait": "Please wait!",
     "showpois": "POI's",