diff --git a/backend/app/service/backup_app.go b/backend/app/service/backup_app.go
index c8ef87ce9..f6cf42c06 100644
--- a/backend/app/service/backup_app.go
+++ b/backend/app/service/backup_app.go
@@ -99,7 +99,7 @@ func handleAppBackup(install *model.AppInstall, backupDir, fileName string) erro
 		return err
 	}
 
-	appPath := fmt.Sprintf("%s/%s", install.GetPath(), install.Name)
+	appPath := install.GetPath()
 	if err := handleTar(appPath, tmpDir, "app.tar.gz", ""); err != nil {
 		return err
 	}
diff --git a/backend/app/service/cronjob_helper.go b/backend/app/service/cronjob_helper.go
index ce2cc7ac3..17e28429b 100644
--- a/backend/app/service/cronjob_helper.go
+++ b/backend/app/service/cronjob_helper.go
@@ -196,7 +196,7 @@ func handleTar(sourceDir, targetDir, name, exclusionRules string) error {
 	path := ""
 	if strings.Contains(sourceDir, "/") {
 		itemDir := strings.ReplaceAll(sourceDir[strings.LastIndex(sourceDir, "/"):], "/", "")
-		aheadDir := strings.ReplaceAll(sourceDir, itemDir, "")
+		aheadDir := sourceDir[:strings.LastIndex(sourceDir, "/")]
 		path += fmt.Sprintf("-C %s %s", aheadDir, itemDir)
 	} else {
 		path = sourceDir