diff --git a/examples/imdb_bidirectional_lstm.py b/examples/imdb_bidirectional_lstm.py
index f27402355..aa7cf137e 100644
--- a/examples/imdb_bidirectional_lstm.py
+++ b/examples/imdb_bidirectional_lstm.py
@@ -24,7 +24,7 @@ print('Loading data...')
 print(len(x_train), 'train sequences')
 print(len(x_test), 'test sequences')
 
-print("Pad sequences (samples x time)")
+print('Pad sequences (samples x time)')
 x_train = sequence.pad_sequences(x_train, maxlen=maxlen)
 x_test = sequence.pad_sequences(x_test, maxlen=maxlen)
 print('x_train shape:', x_train.shape)