diff --git a/lib/LargeObjectManager.js b/lib/LargeObjectManager.js
index 9bacd90..e53998a 100644
--- a/lib/LargeObjectManager.js
+++ b/lib/LargeObjectManager.js
@@ -6,7 +6,7 @@ var LargeObject = require('./LargeObject');
 function pgPromiseAdapter(tx) {
         return function query(options, callback) {
                 tx.query(options)
-                .then(function(rows) {
+                .then(function({ rows }) {
                         callback(null, {rows: rows});
                 })
                 .catch(function(error) {