diff --git a/lib/cartodb/models/mapconfig_overviews_adapter.js b/lib/cartodb/models/mapconfig_overviews_adapter.js
index 8571f7a2..c98fe568 100644
--- a/lib/cartodb/models/mapconfig_overviews_adapter.js
+++ b/lib/cartodb/models/mapconfig_overviews_adapter.js
@@ -25,7 +25,9 @@ MapConfigOverviewsAdapter.prototype.getLayers = function(username, layers, callb
                done(err, layer);
            } else {
                if ( !_.isEmpty(metadata) ) {
-                   layer = _.extend({}, layer, { overviews: metadata });
+                   // layer.options.overviews = metadata;
+                   layer = _.extend({}, layer);
+                   layer.options = _.extend({}, layer.options, { overviews: metadata });
                }
                done(null, layer);
            }