diff --git a/models/Model_SAEHD/Model.py b/models/Model_SAEHD/Model.py
index 3907a02..e872ae1 100644
--- a/models/Model_SAEHD/Model.py
+++ b/models/Model_SAEHD/Model.py
@@ -580,7 +580,7 @@ Examples: df, liae, df-d, df-ud, liae-ud, ...
                             x = tf.cast(x, tf.float32)
                             x = tf.math.scalar_mul(1-smoothing, x)
                             # x = x + (smoothing/num_labels)
-                            x = tf.reshape(x, (self.batch_size,) + tensor.get_shape().as_list()[1:])
+                            x = tf.reshape(x, (self.batch_size,) + tuple(tensor.get_shape().as_list()[1:]))
                             return x
 
                         smoothing = self.options['gan_smoothing']