diff --git a/lib/cartodb/api/overviews_metadata_api.js b/lib/cartodb/api/overviews_metadata_api.js
index 4a8e8c92..738753f0 100644
--- a/lib/cartodb/api/overviews_metadata_api.js
+++ b/lib/cartodb/api/overviews_metadata_api.js
@@ -25,8 +25,7 @@ OverviewsMetadataApi.prototype.getOverviewsMetadata = function (username, sql, c
     var query = 'SELECT * FROM CDB_Overviews(CDB_QueryTablesText($windshaft$' + prepareSql(sql) + '$windshaft$))';
     this.pgQueryRunner.run(username, query, function handleOverviewsRows(err, rows) {
         if (err){
-            var msg = err.message ? err.message : err;
-            callback(new Error(msg));
+            callback(err);
             return;
         }
         var metadata = {};