diff --git a/weed/s3api/s3api_acp.go b/weed/s3api/s3api_acp.go
index 106f14d7d..f391a0d70 100644
--- a/weed/s3api/s3api_acp.go
+++ b/weed/s3api/s3api_acp.go
@@ -10,6 +10,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/s3api/s3err"
 	"github.com/seaweedfs/seaweedfs/weed/util"
 	"net/http"
+	"path/filepath"
 )
 
 func getAccountId(r *http.Request) string {
@@ -256,7 +257,8 @@ func (s3a *S3ApiServer) checkAccessForWriteObjectAcl(accountId, bucket, object s
 }
 
 func updateObjectEntry(s3a *S3ApiServer, bucket, object string, entry *filer_pb.Entry) error {
-	return s3a.updateEntry(util.Join(s3a.option.BucketsPath, bucket, object), entry)
+	dir, _ := filepath.Split(object)
+	return s3a.updateEntry(util.Join(s3a.option.BucketsPath, bucket, dir), entry)
 }
 
 // Check Object-Write related access