Don't try and dereference an object that may not exist

diff --git a/app/assets/javascripts/application.js b/app/assets/javascripts/application.js
index b608a1cd04561dd95e2d45ddc7e21d7245323b57..c52c072a754fa941a33b61b920aebe96e7b3ffe0 100644 (file)
--- a/app/assets/javascripts/application.js
+++ b/app/assets/javascripts/application.js
@@ -99,7 +99,7 @@ function updatelinks(lon,lat,zoom,layers,minlon,minlat,maxlon,maxlat,object) {
     // ?{node,way,relation}= can be safely omitted from the shortlink
     // which encodes lat/lon/zoom. If new URL parameters are added to
     // the main slippy map this needs to be changed.
-    if (args.layers || args[object.type]) {
+    if (args.layers || object) {
       this.href = setArgs(prefix + "/go/" + code, args);
     } else {
       this.href = prefix + "/go/" + code;