diff --git a/demo/mnist/api_train_v2.py b/demo/mnist/api_train_v2.py
index c9fd7c72df879400c3a6ae007075ac300e8b6c15..1c2c831bec18ef4215338949f96c3357dd8335c9 100644
--- a/demo/mnist/api_train_v2.py
+++ b/demo/mnist/api_train_v2.py
@@ -33,7 +33,7 @@ def main():
     trainer.train(
         reader=paddle.reader.batched(
             paddle.reader.shuffle(
-                paddle.dataset.mnist.train_creator(), buf_size=8192),
+                paddle.dataset.mnist.train(), buf_size=8192),
             batch_size=32),
         cost=cost,
         parameters=parameters,
diff --git a/python/paddle/v2/dataset/mnist.py b/python/paddle/v2/dataset/mnist.py
index 8ba11ca5ec7943032ba5dbd5de48b1be38786010..653c91aacde6618389069d571c3d8a23b88c5f50 100644
--- a/python/paddle/v2/dataset/mnist.py
+++ b/python/paddle/v2/dataset/mnist.py
@@ -45,7 +45,7 @@ def reader_creator(image_filename, label_filename, buffer_size):
         m.terminate()
         l.terminate()
 
-    return reader()
+    return reader
 
 
 def train():