diff --git a/lib/cartodb/models/dataview/base.js b/lib/cartodb/models/dataview/base.js
index ea7f9474..8c1ada5d 100644
--- a/lib/cartodb/models/dataview/base.js
+++ b/lib/cartodb/models/dataview/base.js
@@ -26,7 +26,7 @@ module.exports = class BaseDataview {
                 return callback(err);
             }
 
-            psql.query(query, function(err, result) {
+            psql.query(query, (err, result) => {
                 if (err) {
                     return callback(err, result);
                 }
@@ -48,7 +48,7 @@ module.exports = class BaseDataview {
         const readOnlyTransaction = true;
         const columnTypeQuery = columnTypeQueryTpl({ column, query });
 
-        psql.query(columnTypeQuery, function(err, result) {
+        psql.query(columnTypeQuery, (err, result) => {
             if (err) {
                 return callback(err);
             }