diff --git a/changelogs/unreleased/6318-ywk253100 b/changelogs/unreleased/6318-ywk253100
new file mode 100644
index 00000000000..064070e342d
--- /dev/null
+++ b/changelogs/unreleased/6318-ywk253100
@@ -0,0 +1 @@
+Update metrics when backup failed with validation error
\ No newline at end of file
diff --git a/pkg/controller/backup_controller.go b/pkg/controller/backup_controller.go
index 90462a60f77..e2cc2d28d51 100644
--- a/pkg/controller/backup_controller.go
+++ b/pkg/controller/backup_controller.go
@@ -259,8 +259,13 @@ func (b *backupReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctr
 	// store ref to just-updated item for creating patch
 	original = request.Backup.DeepCopy()
 
+	backupScheduleName := request.GetLabels()[velerov1api.ScheduleNameLabel]
+
 	if request.Status.Phase == velerov1api.BackupPhaseFailedValidation {
 		log.Debug("failed to validate backup status")
+		b.metrics.RegisterBackupValidationFailure(backupScheduleName)
+		b.metrics.RegisterBackupLastStatus(backupScheduleName, metrics.BackupLastStatusFailure)
+
 		return ctrl.Result{}, nil
 	}
 
@@ -274,7 +279,6 @@ func (b *backupReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctr
 
 	log.Debug("Running backup")
 
-	backupScheduleName := request.GetLabels()[velerov1api.ScheduleNameLabel]
 	b.metrics.RegisterBackupAttempt(backupScheduleName)
 
 	// execution & upload of backup