diff --git a/egs/yesno/ASR/local/compute_fbank_yesno.py b/egs/yesno/ASR/local/compute_fbank_yesno.py
index 6072d4222..6922ffe10 100755
--- a/egs/yesno/ASR/local/compute_fbank_yesno.py
+++ b/egs/yesno/ASR/local/compute_fbank_yesno.py
@@ -38,7 +38,9 @@ def compute_fbank_yesno():
         "test",
     )
     manifests = read_manifests_if_cached(
-        dataset_parts=dataset_parts, output_dir=src_dir
+        dataset_parts=dataset_parts,
+        output_dir=src_dir,
+        prefix="yesno",
     )
     assert manifests is not None