X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/e73a770d8106a9fef000178ed8c97f7b8be0399f..ec8a601309c9a501804d55b112fb72be2493446f:/app/assets/javascripts/osm.js.erb

diff --git a/app/assets/javascripts/osm.js.erb b/app/assets/javascripts/osm.js.erb
index c41f040f3..d350b2896 100644
--- a/app/assets/javascripts/osm.js.erb
+++ b/app/assets/javascripts/osm.js.erb
@@ -115,7 +115,7 @@ OSM = {
 
     hash = querystring.parse(hash);
 
-    if (!(map in hash)) {
+    if (hash.map === undefined) {
       return false;
     }