diff --git a/src/panels/calendar/ha-recurrence-rule-editor.ts b/src/panels/calendar/ha-recurrence-rule-editor.ts
index ae70453935..b7b3c03f5e 100644
--- a/src/panels/calendar/ha-recurrence-rule-editor.ts
+++ b/src/panels/calendar/ha-recurrence-rule-editor.ts
@@ -384,6 +384,7 @@ export class RecurrenceRuleEditor extends LitElement {
     } else {
       this._weekday.delete(value);
     }
+    this.requestUpdate("_weekday");
   }
 
   private _onEndSelected(e: CustomEvent<SelectedDetail<number>>) {