diff --git a/lib/cartodb/utils/query-utils.js b/lib/cartodb/utils/query-utils.js
index 8b0c81ba..f8b2a0f5 100644
--- a/lib/cartodb/utils/query-utils.js
+++ b/lib/cartodb/utils/query-utils.js
@@ -22,7 +22,7 @@ module.exports.extractTableNames = function extractTableNames(query) {
 };
 
 module.exports.getQueryRowCount = function getQueryRowEstimation(query) {
-    return 'select CDB_EstimateRowCount(\'' + query + '\') as rows';
+    return 'select CDB_EstimateRowCount($$' + query + '$$) as rows';
 };
 
 /** Cast the column to epoch */