diff --git a/unmaintained/load_test/load_test_meta_tail/load_test_meta_tail.go b/unmaintained/load_test/load_test_meta_tail/load_test_meta_tail.go
index 9cc048cf6..06e47c113 100644
--- a/unmaintained/load_test/load_test_meta_tail/load_test_meta_tail.go
+++ b/unmaintained/load_test/load_test_meta_tail/load_test_meta_tail.go
@@ -7,6 +7,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/pb"
 	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
 	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
 	"strconv"
 	"time"
 )