diff --git a/s3stream/src/main/java/com/automq/stream/s3/operator/AwsObjectStorage.java b/s3stream/src/main/java/com/automq/stream/s3/operator/AwsObjectStorage.java
index 71aefb9384..4b044f140e 100644
--- a/s3stream/src/main/java/com/automq/stream/s3/operator/AwsObjectStorage.java
+++ b/s3stream/src/main/java/com/automq/stream/s3/operator/AwsObjectStorage.java
@@ -273,7 +273,7 @@ private String range(long start, long end) {
 
     private void readinessCheck() {
         try {
-            String path = "/automq/readiness_check/%d" + System.nanoTime();
+            String path = "__automq/readiness_check/%d" + System.nanoTime();
             byte[] content = new Date().toString().getBytes(StandardCharsets.UTF_8);
             doWrite(new WriteOptions(), path, Unpooled.wrappedBuffer(content)).get();
             doDeleteObjects(List.of(path)).get();