diff --git a/dashboard/src/views/BackupSitesView.vue b/dashboard/src/views/BackupSitesView.vue
index 32599f82a..b65bdeed4 100644
--- a/dashboard/src/views/BackupSitesView.vue
+++ b/dashboard/src/views/BackupSitesView.vue
@@ -153,10 +153,12 @@ function onActionMenu(site, event) {
   }, {
     icon: 'fa-solid fa-plus',
     label: t('backups.listing.backupNow'),
+    disabled: !!site.task?.active,
     action: onStartBackup.bind(null, site),
   }, {
     icon: 'fa-solid fa-broom',
     label: t('backups.listing.cleanupBackups'),
+    disabled: !!site.task?.active,
     action: onStartCleanup.bind(null, site),
   }, {
     icon: 'fa-solid fa-sync-alt',