diff --git a/lib/cartodb/models/dataview/aggregation.js b/lib/cartodb/models/dataview/aggregation.js
index 43dff8c0..ed0261ae 100644
--- a/lib/cartodb/models/dataview/aggregation.js
+++ b/lib/cartodb/models/dataview/aggregation.js
@@ -250,34 +250,34 @@ Aggregation.prototype.sql = function(psql, override, callback) {
     return callback(null, aggregationSql);
 };
 
-Aggregation.prototype.getCategoriesCTESql = function(query, column, aggregation, aggregationColumn, isFloatColumn) {
+Aggregation.prototype.getCategoriesCTESql = function() {
     return `
         WITH
             ${filteredQueryTpl({
-                _isFloatColumn: isFloatColumn,
+                _isFloatColumn: this._isFloatColumn,
                 _query: this.query,
                 _column: this.column,
-                _aggregationColumn: aggregation !== 'count' ? aggregationColumn : null
+                _aggregationColumn: this.aggregation !== 'count' ? this.aggregationColumn : null
             })},
             ${summaryQueryTpl({
-                _isFloatColumn: isFloatColumn,
-                _query: query,
-                _column: column,
-                _aggregationColumn: aggregation !== 'count' ? aggregationColumn : null
+                _isFloatColumn: this._isFloatColumn,
+                _query: this.query,
+                _column: this.column,
+                _aggregationColumn: this.aggregation !== 'count' ? this.aggregationColumn : null
             })},
             ${rankedCategoriesQueryTpl({
-                _query: query,
-                _column: column,
+                _query: this.query,
+                _column: this.column,
                 _aggregation: this.getAggregationSql(),
-                _aggregationColumn: aggregation !== 'count' ? aggregationColumn : null
+                _aggregationColumn: this.aggregation !== 'count' ? this.aggregationColumn : null
             })},
             ${categoriesSummaryMinMaxQueryTpl({
-                _query: query,
-                _column: column
+                _query: this.query,
+                _column: this.column
             })},
             ${categoriesSummaryCountQueryTpl({
-                _query: query,
-                _column: column
+                _query: this.query,
+                _column: this.column
             })}
     `;
 };