diff --git a/lib/backup/files.rb b/lib/backup/files.rb
index 550c932b2b5..2bac84846c5 100644
--- a/lib/backup/files.rb
+++ b/lib/backup/files.rb
@@ -73,7 +73,7 @@ module Backup
     def run_pipeline!(cmd_list, options = {})
       err_r, err_w = IO.pipe
       options[:err] = err_w
-      status = Open3.pieline(*cmd_list, options)
+      status = Open3.pipeline(*cmd_list, options)
       err_w.close
       return if status.compact.all?(&:success?)