diff --git a/lib/cartodb/controllers/map.js b/lib/cartodb/controllers/map.js
index d72b6fea..8e376cb5 100644
--- a/lib/cartodb/controllers/map.js
+++ b/lib/cartodb/controllers/map.js
@@ -56,8 +56,8 @@ MapController.prototype.register = function(app) {
     const { base_url_mapconfig: mapconfigBasePath, base_url_templated: templateBasePath } = app;
     const useTemplate = true;
 
-    app.get(mapconfigBasePath, this.composeCreateMapMiddleware());
-    app.post(mapconfigBasePath, this.composeCreateMapMiddleware());
+    app.get(`${mapconfigBasePath}`, this.composeCreateMapMiddleware());
+    app.post(`${mapconfigBasePath}`, this.composeCreateMapMiddleware());
 
     app.get(`${templateBasePath}/:template_id/jsonp`, this.composeCreateMapMiddleware(useTemplate));
     app.post(`${templateBasePath}/:template_id`, this.composeCreateMapMiddleware(useTemplate));