diff --git a/model/autoencoder.py b/model/autoencoder.py
index 51597ce..1be0470 100644
--- a/model/autoencoder.py
+++ b/model/autoencoder.py
@@ -33,7 +33,7 @@ def call(self, x):
         return self.decoder(x)
 
 class Autoencoder(keras.Model):
-    def __init__(self, input_size=(130, 26):
+    def __init__(self, input_size=(130, 26)):
         super(Autoencoder, self).__init__()
         self.encoder = Encoder(input_size=input_size)
         self.decoder = Decoder()