diff --git a/lib/cartodb/models/mapconfig/adapter/mapconfig-overviews-adapter.js b/lib/cartodb/models/mapconfig/adapter/mapconfig-overviews-adapter.js
index b8a473b5..db2cb439 100644
--- a/lib/cartodb/models/mapconfig/adapter/mapconfig-overviews-adapter.js
+++ b/lib/cartodb/models/mapconfig/adapter/mapconfig-overviews-adapter.js
@@ -72,7 +72,7 @@ MapConfigOverviewsAdapter.prototype.getMapConfig = function(user, requestMapConf
                            layer = _.extend({}, layer);
                            layer.options = _.extend({}, layer.options, { query_rewrite_data: query_rewrite_data });
                        }
-                       done(err, layer);
+                       done(null, layer);
                    }
                );
            }