diff --git a/fe/fe-core/src/main/java/org/apache/doris/datasource/hive/event/MetastoreEvent.java b/fe/fe-core/src/main/java/org/apache/doris/datasource/hive/event/MetastoreEvent.java
index 29d6a312ea12e3..3fbccd26c1f553 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/datasource/hive/event/MetastoreEvent.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/datasource/hive/event/MetastoreEvent.java
@@ -17,6 +17,7 @@
 
 package org.apache.doris.datasource.hive.event;
 
+import org.apache.commons.lang3.StringUtils;
 import org.apache.hadoop.hive.metastore.api.NotificationEvent;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
@@ -75,7 +76,9 @@ protected MetastoreEvent(long eventId, String catalogName, String dbName,
 
     protected MetastoreEvent(NotificationEvent event, String catalogName) {
         this.event = event;
-        this.dbName = event.getDbName().toLowerCase(Locale.ROOT);
+        // Some events that we don't care about, dbName may be empty
+        String eventDbName = event.getDbName();
+        this.dbName = StringUtils.isEmpty(eventDbName) ? eventDbName : eventDbName.toLowerCase(Locale.ROOT);
         this.tblName = event.getTableName();
         this.eventId = event.getEventId();
         this.eventTime = event.getEventTime() * 1000L;