diff --git a/lib/cartodb/models/mapconfig_overviews_adapter.js b/lib/cartodb/models/mapconfig_overviews_adapter.js
index f8f076a8..e38cc566 100644
--- a/lib/cartodb/models/mapconfig_overviews_adapter.js
+++ b/lib/cartodb/models/mapconfig_overviews_adapter.js
@@ -18,10 +18,14 @@ MapConfigNamedLayersAdapter.prototype.getLayers = function(username, layers, cal
 
   function augmentLayer(layer, done) {
       self.overviewsApi.getOverviewsMetadata(username, layer.options.sql, function(err, metadata){
-           if ( !_.isEmpty(metadata) ) {
-               layer = _.extend({}, layer, { overviews: metadata });
+           if (err) {
+               done(err, layer);
+           } else {
+               if ( !_.isEmpty(metadata) ) {
+                   // layer = _.extend({}, layer, { overviews: metadata });
+               }
+               done(null, layer);
            }
-           done(null, layer);
       });
   }