diff --git a/lib/cartodb/backends/dataview.js b/lib/cartodb/backends/dataview.js
index 8e991b30..55fe81a0 100644
--- a/lib/cartodb/backends/dataview.js
+++ b/lib/cartodb/backends/dataview.js
@@ -20,7 +20,15 @@ function DataviewBackend(analysisBackend) {
     this.analysisBackend = analysisBackend;
 }
 
-var DATE_AGGREGATIONS = ['minute', 'hour', 'day', 'week', 'month', 'quarter', 'year'];
+var DATE_AGGREGATIONS = {
+    'minute': true,
+    'hour': true,
+    'day': true,
+    'week': true,
+    'month': true,
+    'quarter': true,
+    'year': true
+};
 
 module.exports = DataviewBackend;
 
@@ -108,7 +116,7 @@ function getOverrideParams(params, ownFilter) {
         {ownFilter: ownFilter}
     );
 
-    if (params.aggregation && DATE_AGGREGATIONS.indexOf(params.aggregation) !== -1) {
+    if (params.aggregation && DATE_AGGREGATIONS.hasOwnProperty(params.aggregation)) {
         overrideParams.aggregation = params.aggregation;
     }