diff --git a/backend/app/service/cronjob_helper.go b/backend/app/service/cronjob_helper.go
index 68d782b8c..a837a9f9f 100644
--- a/backend/app/service/cronjob_helper.go
+++ b/backend/app/service/cronjob_helper.go
@@ -359,7 +359,7 @@ func (u *CronjobService) handleCutWebsiteLog(cronjob *model.Cronjob, startTime t
 				wg.Done()
 				return
 			}
-			websiteLogDir := path.Join(baseDir, website.PrimaryDomain, "log")
+			websiteLogDir := path.Join(baseDir, website.SiteDir, "log")
 			srcAccessLogPath := path.Join(websiteLogDir, "access.log")
 			srcErrorLogPath := path.Join(websiteLogDir, "error.log")
 			dstLogDir := path.Join(global.CONF.System.Backup, "log", "website", website.PrimaryDomain)