diff --git a/fluid/recommendation/gru4rec/train.py b/fluid/recommendation/gru4rec/train.py
index 2dee093226111267c03021d61cdb2b39959b5b0c..20b2ef268a1e98f385d13d383a77e1512cbfb50a 100644
--- a/fluid/recommendation/gru4rec/train.py
+++ b/fluid/recommendation/gru4rec/train.py
@@ -120,7 +120,7 @@ def train(train_reader,
     fetch_list = [avg_cost.name]
     for pass_idx in six.moves.xrange(pass_num):
         epoch_idx = pass_idx + 1
-        print "epoch_%d start" % epoch_idx
+        print("epoch_%d start" % epoch_idx)
 
         t0 = time.time()
         i = 0