diff --git a/examples/seq2seq/run_distributed_eval.py b/examples/seq2seq/run_distributed_eval.py
index e1132d56d93..5b9f66fd99a 100755
--- a/examples/seq2seq/run_distributed_eval.py
+++ b/examples/seq2seq/run_distributed_eval.py
@@ -176,7 +176,8 @@ def run_generate():
         max_source_length=args.max_source_length,
         num_return_sequences=args.num_return_sequences,
         prefix=args.prefix,
-        dataset_kwargs=dataset_kwargs ** generate_kwargs,
+        dataset_kwargs=dataset_kwargs,
+        **generate_kwargs,
     )
 
     if args.local_rank <= 0: