diff --git a/lib/lock/databases/dynamodb.js b/lib/lock/databases/dynamodb.js
index bc203ec..dc24dd9 100644
--- a/lib/lock/databases/dynamodb.js
+++ b/lib/lock/databases/dynamodb.js
@@ -33,7 +33,7 @@ _.extend(DynamoDB.prototype, {
   connect: function(callback) {
     var self = this;
     self.client = new aws.DynamoDB(self.options.endpointConf);
-    self.documentClient = new aws.DynamoDB.DocumentClient(self.client);
+    self.documentClient = new aws.DynamoDB.DocumentClient({ service: self.client });
     self.isConnected = true;
 
     var createAggregatelockTable = function(done) {