diff --git a/src/components/device/ha-device-automation-picker.ts b/src/components/device/ha-device-automation-picker.ts
index cd79540dd8..98c5ce492a 100644
--- a/src/components/device/ha-device-automation-picker.ts
+++ b/src/components/device/ha-device-automation-picker.ts
@@ -24,7 +24,7 @@ const UNKNOWN_AUTOMATION_KEY = "UNKNOWN_AUTOMATION";
 export abstract class HaDeviceAutomationPicker<
   T extends DeviceAutomation
 > extends LitElement {
-  public hass!: HomeAssistant;
+  @property() public hass!: HomeAssistant;
   @property() public label?: string;
   @property() public deviceId?: string;
   @property() public value?: T;
diff --git a/src/components/device/ha-device-picker.ts b/src/components/device/ha-device-picker.ts
index f9c64578a1..3e17e093c7 100644
--- a/src/components/device/ha-device-picker.ts
+++ b/src/components/device/ha-device-picker.ts
@@ -24,7 +24,7 @@ import { compare } from "../../common/string/compare";
 
 @customElement("ha-device-picker")
 class HaDevicePicker extends LitElement {
-  public hass?: HomeAssistant;
+  @property() public hass?: HomeAssistant;
   @property() public label?: string;
   @property() public value?: string;
   @property() public devices?: DeviceRegistryEntry[];