diff --git a/tieredstore/src/main/java/org/apache/rocketmq/tieredstore/metadata/DefaultMetadataStore.java b/tieredstore/src/main/java/org/apache/rocketmq/tieredstore/metadata/DefaultMetadataStore.java
index dd5a7a68a48..bdd13d17fc1 100644
--- a/tieredstore/src/main/java/org/apache/rocketmq/tieredstore/metadata/DefaultMetadataStore.java
+++ b/tieredstore/src/main/java/org/apache/rocketmq/tieredstore/metadata/DefaultMetadataStore.java
@@ -144,7 +144,7 @@ public void updateTopic(TopicMetadata topicMetadata) {
         if (metadata == null) {
             return;
         }
-        metadata.setUpdateTimestamp(System.currentTimeMillis());
+        topicMetadata.setUpdateTimestamp(System.currentTimeMillis());
         topicMetadataTable.put(topicMetadata.getTopic(), topicMetadata);
         persist();
     }