diff --git a/src/panels/config/automation/trigger/types/ha-automation-trigger-calendar.ts b/src/panels/config/automation/trigger/types/ha-automation-trigger-calendar.ts
index 6ce9382efb..a9a5ae7030 100644
--- a/src/panels/config/automation/trigger/types/ha-automation-trigger-calendar.ts
+++ b/src/panels/config/automation/trigger/types/ha-automation-trigger-calendar.ts
@@ -44,7 +44,7 @@ export class HaCalendarTrigger extends LitElement implements TriggerElement {
             ],
           ],
         },
-        { name: "offset", selector: { duration: {} } },
+        { name: "offset", selector: { duration: { enable_day: true } } },
         {
           name: "offset_type",
           type: "select",