diff --git a/lib/cartodb/models/aggregation/aggregation-proxy.js b/lib/cartodb/models/aggregation/aggregation-proxy.js
index 0985ec8d..7fff63f9 100644
--- a/lib/cartodb/models/aggregation/aggregation-proxy.js
+++ b/lib/cartodb/models/aggregation/aggregation-proxy.js
@@ -4,11 +4,12 @@ const RASTER_AGGREGATION = 'RasterAggregation';
 const VECTOR_AGGREGATION = 'VectorAggregation';
 
 module.exports = class AggregationProxy {
-    constructor (mapconfig, resolution = 256, threshold = 10e5, placement = 'centroid') {
+    constructor (mapconfig, { resolution = 256, threshold = 10e5, placement = 'centroid', columns = {}} = {}) {
         this.mapconfig = mapconfig;
         this.resolution = resolution;
         this.threshold = threshold;
         this.placement = placement;
+        this.columns = columns;
         this.implementation = this._getAggregationImplementation();
     }
 
@@ -17,10 +18,10 @@ module.exports = class AggregationProxy {
 
         switch (this._getAggregationType()) {
             case VECTOR_AGGREGATION:
-                implementation = new VectorAggregation(this.resolution, this.threshold, this.placement);
+                implementation = new VectorAggregation(this.resolution, this.threshold, this.placement, this.columns);
                 break;
             case RASTER_AGGREGATION:
-                implementation = new RasterAggregation(this.resolution, this.threshold, this.placement);
+                implementation = new RasterAggregation(this.resolution, this.threshold, this.placement, this.columns);
                 break;
             default:
                 throw new Error('Unsupported aggregation type');