diff --git a/mindspore/dataset/core/validator_helpers.py b/mindspore/dataset/core/validator_helpers.py
index 4ab8b6c073..dc3f298c63 100644
--- a/mindspore/dataset/core/validator_helpers.py
+++ b/mindspore/dataset/core/validator_helpers.py
@@ -334,7 +334,7 @@ def check_sampler_shuffle_shard_options(param_dict):
             raise RuntimeError("sampler and num_samples cannot be specified at the same time.")
 
     if num_shards is not None:
-        check_pos_int32(num_shards)
+        check_pos_int32(num_shards, "num_shards")
         if shard_id is None:
             raise RuntimeError("num_shards is specified and currently requires shard_id as well.")
         check_value(shard_id, [0, num_shards - 1], "shard_id")