diff --git a/models/tacotron.py b/models/tacotron.py
index 0b55b76b..7653f1c3 100644
--- a/models/tacotron.py
+++ b/models/tacotron.py
@@ -34,7 +34,7 @@ class Tacotron(nn.Module):
 
         # (B, T', mel_dim*r)
         mel_outputs, alignments = self.decoder(
-            encoder_outputs, mel_specs, input_lengths=input_lengths)
+            encoder_outputs, mel_specs)
 
         # Post net processing below