diff --git a/lib/cartodb/models/dataview/aggregation.js b/lib/cartodb/models/dataview/aggregation.js
index c7626736..29eebe06 100644
--- a/lib/cartodb/models/dataview/aggregation.js
+++ b/lib/cartodb/models/dataview/aggregation.js
@@ -292,8 +292,7 @@ module.exports = class Aggregation extends BaseDataview {
 
     search (psql, userQuery, callback) {
         const self = this;
-
-        const escapedUserQuery = psql.escapeLiteral('%' + userQuery + '%');
+        const escapedUserQuery = psql.escapeLiteral(`%${userQuery}%`);
         const value = this.aggregation !== 'count' && this.aggregationColumn ?
             this.aggregation + '(' + this.aggregationColumn + ')' : 'count(1)';