diff --git a/lib/cartodb/models/dataview/aggregation.js b/lib/cartodb/models/dataview/aggregation.js
index 80f77062..e60697cb 100644
--- a/lib/cartodb/models/dataview/aggregation.js
+++ b/lib/cartodb/models/dataview/aggregation.js
@@ -263,37 +263,26 @@ module.exports = class Aggregation extends BaseDataview {
     }
 
     format (result) {
-        let categories = [];
-        let count = 0;
-        let nulls = 0;
-        let nans = 0;
-        let infinities = 0;
-        let minValue = 0;
-        let maxValue = 0;
-        let categoriesCount = 0;
-
-        if (result.rows.length) {
-            const firstRow = result.rows[0];
-            count = firstRow.count;
-            nulls = firstRow.nulls_count;
-            nans = firstRow.nans_count;
-            infinities = firstRow.infinities_count;
-            minValue = firstRow.min_val;
-            maxValue = firstRow.max_val;
-            categoriesCount = firstRow.categories_count;
-            categories = result.rows.map(({ category, value, agg }) => ({ category, value, agg }));
-        }
+        const {
+            count = 0,
+            nulls_count = 0,
+            nans_count = 0,
+            infinities_count = 0,
+            min_val = 0,
+            max_val = 0,
+            categories_count = 0
+         } = result.rows[0] || {};
 
         return {
             aggregation: this.aggregation,
             count: count,
-            nulls: nulls,
-            nans: nans,
-            infinities: infinities,
-            min: minValue,
-            max: maxValue,
-            categoriesCount: categoriesCount,
-            categories: categories
+            nulls: nulls_count,
+            nans: nans_count,
+            infinities: infinities_count,
+            min: min_val,
+            max: max_val,
+            categoriesCount: categories_count,
+            categories: result.rows.map(({ category, value, agg }) => ({ category, value, agg }))
         };
     }