X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/68a3df4d53c84508bf443058040379c3a18eb1a7..be931d0955fbd2379b1ffedb9abd32b1e8cb5915:/app/assets/javascripts/osm.js.erb?ds=sidebyside

diff --git a/app/assets/javascripts/osm.js.erb b/app/assets/javascripts/osm.js.erb
index 392bf5e0c..d350b2896 100644
--- a/app/assets/javascripts/osm.js.erb
+++ b/app/assets/javascripts/osm.js.erb
@@ -115,6 +115,10 @@ OSM = {
 
     hash = querystring.parse(hash);
 
+    if (hash.map === undefined) {
+      return false;
+    }
+
     var args = hash.map.split("/");
     if (args.length !== 3) {
       return false;