diff --git a/examples/single_model_scripts/run_transfo_xl.py b/examples/single_model_scripts/run_transfo_xl.py
index fda0d8dc28..95efbb8855 100644
--- a/examples/single_model_scripts/run_transfo_xl.py
+++ b/examples/single_model_scripts/run_transfo_xl.py
@@ -114,7 +114,7 @@ def main():
             mems = None
             for idx, (data, target, seq_len) in enumerate(eval_iter):
                 ret = model(data, target, mems)
-                loss, mems = ret
+                loss, _, mems = ret
                 loss = loss.mean()
                 total_loss += seq_len * loss.item()
                 total_len += seq_len