diff --git a/lib/cartodb/models/mapconfig/adapter/aggregation-mapconfig-adapter.js b/lib/cartodb/models/mapconfig/adapter/aggregation-mapconfig-adapter.js
index 0a7b62d8..94092bda 100644
--- a/lib/cartodb/models/mapconfig/adapter/aggregation-mapconfig-adapter.js
+++ b/lib/cartodb/models/mapconfig/adapter/aggregation-mapconfig-adapter.js
@@ -27,13 +27,7 @@ module.exports = class AggregationMapConfigAdapter {
             return callback(error);
         }
 
-        this._adaptLayers(user, mapConfig, requestMapConfig, context, (err, requestMapConfig) => {
-            if (err) {
-                return callback(err);
-            }
-
-            callback(null, requestMapConfig);
-        });
+        this._adaptLayers(user, mapConfig, requestMapConfig, context, callback);
     }
 
     _hasMissingColumns (mapConfig) {