diff --git a/src/dialogs/more-info/ha-more-info-history.ts b/src/dialogs/more-info/ha-more-info-history.ts
index e6e03dc8c2..dd2a5c1165 100644
--- a/src/dialogs/more-info/ha-more-info-history.ts
+++ b/src/dialogs/more-info/ha-more-info-history.ts
@@ -164,6 +164,9 @@ export class MoreInfoHistory extends LitElement {
     if (!isComponentLoaded(this.hass, "history") || this._subscribed) {
       return;
     }
+    if (this._subscribed) {
+      this._unsubscribeHistoryTimeWindow();
+    }
     this._subscribed = subscribeHistoryStatesTimeWindow(
       this.hass!,
       (combinedHistory) => {