diff --git a/pyserini/hsearch/__main__.py b/pyserini/hsearch/__main__.py
index 9cc675260..a7db43347 100644
--- a/pyserini/hsearch/__main__.py
+++ b/pyserini/hsearch/__main__.py
@@ -145,7 +145,7 @@ def parse_args(parser, commands):
     with open(output_path, 'w') as target_file:
         batch_topics = list()
         batch_topic_ids = list()
-        for index, (topic_id, text) in enumerate(tqdm(list(query_iterator(topics, args.topics)))):
+        for index, (topic_id, text) in enumerate(tqdm(list(query_iterator(topics, args.run.topics)))):
             if args.run.batch_size <= 1 and args.run.threads <= 1:
                 hits = hsearcher.search(text, args.run.hits, args.fusion.alpha)
                 results = [(topic_id, hits)]