diff --git a/180_LSTM_encoder_decoder_anomaly_GE.py b/180_LSTM_encoder_decoder_anomaly_GE.py
index 12bf89069..4df792319 100644
--- a/180_LSTM_encoder_decoder_anomaly_GE.py
+++ b/180_LSTM_encoder_decoder_anomaly_GE.py
@@ -103,7 +103,7 @@ def to_sequences(x, y, seq_size=1):
 model.summary()
 
 # fit model
-history = model.fit(trainX, trainY, epochs=10, batch_size=32, validation_split=0.1, verbose=1)
+history = model.fit(trainX, trainX, epochs=10, batch_size=32, validation_split=0.1, verbose=1)
 
 plt.plot(history.history['loss'], label='Training loss')
 plt.plot(history.history['val_loss'], label='Validation loss')