prevent titles from growing
diff --git a/xos/core/xoslib/static/js/xoslib/xosHelper.js b/xos/core/xoslib/static/js/xoslib/xosHelper.js
index 99b4084..ba4840f 100644
--- a/xos/core/xoslib/static/js/xoslib/xosHelper.js
+++ b/xos/core/xoslib/static/js/xoslib/xosHelper.js
@@ -271,7 +271,7 @@
             if (model == undefined) {
                 app[regionName].show(new HTMLView({html: "failed to load object " + model_id + " from collection " + collection_name}));
             } else {
-                title = title + ": " + model.attributes.humanReadableName;
+                var title = title + ": " + model.attributes.humanReadableName;
 
                 $("#contentTitle").html(templateFromId("#xos-title-detail")({"title": title}));