X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/783b5e3729228908d7404ae7404af1023501a906..2898633e72e8aa2efbcd6012a936ebab5ab58a56:/app/assets/javascripts/index/directions.js

diff --git a/app/assets/javascripts/index/directions.js b/app/assets/javascripts/index/directions.js
index 4c39d6781..5f9027ec6 100644
--- a/app/assets/javascripts/index/directions.js
+++ b/app/assets/javascripts/index/directions.js
@@ -141,13 +141,21 @@ OSM.Directions = function (map) {
   }
 
   $(".directions_form .reverse_directions").on("click", function () {
-    var from = endpoints[0].latlng,
-        to = endpoints[1].latlng;
+    var coordFrom = endpoints[0].latlng,
+        coordTo = endpoints[1].latlng,
+        routeFrom = "",
+        routeTo = "";
+    if (coordFrom) {
+      routeFrom = coordFrom.lat + "," + coordFrom.lng;
+    }
+    if (coordTo) {
+      routeTo = coordTo.lat + "," + coordTo.lng;
+    }
 
     OSM.router.route("/directions?" + querystring.stringify({
       from: $("#route_to").val(),
       to: $("#route_from").val(),
-      route: to.lat + "," + to.lng + ";" + from.lat + "," + from.lng
+      route: routeTo + ";" + routeFrom
     }));
   });