diff --git a/services/migrations/migrate.go b/services/migrations/migrate.go
index a3b9d1cfa8..0ebb3411fd 100644
--- a/services/migrations/migrate.go
+++ b/services/migrations/migrate.go
@@ -281,7 +281,7 @@ 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:]