diff --git a/src/panels/calendar/ha-full-calendar.ts b/src/panels/calendar/ha-full-calendar.ts
index 4d9973f86b..410aa4bdfd 100644
--- a/src/panels/calendar/ha-full-calendar.ts
+++ b/src/panels/calendar/ha-full-calendar.ts
@@ -41,6 +41,7 @@ import type {
} from "../../types";
import { showCalendarEventDetailDialog } from "./show-dialog-calendar-event-detail";
import { showCalendarEventEditDialog } from "./show-dialog-calendar-event-editor";
+import "../lovelace/components/hui-warning";
declare global {
interface HTMLElementTagNameMap {
@@ -126,11 +127,8 @@ export class HAFullCalendar extends LitElement {
${this.calendar
? html`
${this.error
- ? html`
${dumped}` : ""} -