diff --git a/onnxruntime/python/tools/transformers/parity_check_helper.py b/onnxruntime/python/tools/transformers/parity_check_helper.py
index c83d947138..a444478a80 100644
--- a/onnxruntime/python/tools/transformers/parity_check_helper.py
+++ b/onnxruntime/python/tools/transformers/parity_check_helper.py
@@ -35,7 +35,7 @@ def environ_setting_nodes(node_name_filter=None, node_type_filter=None):
 
 def environ_setting_paths(output_path):
     # Set dumping values to files as default
-    os.environ["ORT_DEBUG_NODE_IO_DUMP_DATA_TO_FILES"] = NON_ZERO_VALUE
+    os.environ["ORT_DEBUG_NODE_IO_DUMP_DATA_DESTINATION"] = "files"
     os.environ["ORT_DEBUG_NODE_IO_OUTPUT_DIR"] = output_path