diff --git a/src/components/entity/ha-entity-state-content-picker.ts b/src/components/entity/ha-entity-state-content-picker.ts
index 70272ad361..b4e1001932 100644
--- a/src/components/entity/ha-entity-state-content-picker.ts
+++ b/src/components/entity/ha-entity-state-content-picker.ts
@@ -214,6 +214,7 @@ class HaEntityStatePicker extends LitElement {
 
   private _openedChanged(ev: ValueChangedEvent<boolean>) {
     this._opened = ev.detail.value;
+    this._comboBox.filteredItems = this._comboBox.items;
   }
 
   private _filterChanged(ev?: CustomEvent): void {