diff --git a/src/panels/lovelace/cards/hui-alarm-panel-card.ts b/src/panels/lovelace/cards/hui-alarm-panel-card.ts
index c7965a782799..ca2327c1193b 100644
--- a/src/panels/lovelace/cards/hui-alarm-panel-card.ts
+++ b/src/panels/lovelace/cards/hui-alarm-panel-card.ts
@@ -140,7 +140,13 @@ class HuiAlarmPanelCard extends LitElement implements LovelaceCard {
     const oldConfig = changedProps.get("_config") as
       | AlarmPanelCardConfig
       | undefined;
+    const entityId = this._config?.entity;
 
+    if (entityId) {
+      if (oldHass?.entities[entityId] !== this.hass?.entities[entityId]) {
+        this._loadEntityRegistryEntry();
+      }
+    }
     if (
       !oldHass ||
       !oldConfig ||