diff --git a/services/migrations/migrate.go b/services/migrations/migrate.go
index dfb21b884..271fdf7f3 100644
--- a/services/migrations/migrate.go
+++ b/services/migrations/migrate.go
@@ -282,7 +282,7 @@ func migrateRepository(doer *user_model.User, downloader base.Downloader, upload
 				lbBatchSize = len(labels)
 			}
 
-			if err := uploader.CreateLabels(labels...); err != nil {
+			if err := uploader.CreateLabels(labels[:lbBatchSize]...); err != nil {
 				return err
 			}
 			labels = labels[lbBatchSize:]