diff --git a/demo/src/stubs/config.ts b/demo/src/stubs/config.ts
index c51700fb1d..f77c8d3b09 100644
--- a/demo/src/stubs/config.ts
+++ b/demo/src/stubs/config.ts
@@ -1,7 +1,7 @@
 import { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
 
 export const mockConfig = (hass: MockHomeAssistant) => {
-  hass.mockAPI("config/config_entries/entry", () => [
+  hass.mockAPI("config/config_entries/entry?domain=co2signal", () => [
     {
       entry_id: "co2signal",
       domain: "co2signal",
diff --git a/demo/src/stubs/history.ts b/demo/src/stubs/history.ts
index d843c942ac..2e2c507ccc 100644
--- a/demo/src/stubs/history.ts
+++ b/demo/src/stubs/history.ts
@@ -466,6 +466,7 @@ export const mockHistory = (mockHass: MockHomeAssistant) => {
       return results;
     }
   );
+  mockHass.mockWS("recorder/get_statistics_metadata", () => []);
   mockHass.mockWS("history/list_statistic_ids", () => []);
   mockHass.mockWS(
     "history/statistics_during_period",
diff --git a/src/fake_data/provide_hass.ts b/src/fake_data/provide_hass.ts
index 3fd29bcdbf..e71667675e 100644
--- a/src/fake_data/provide_hass.ts
+++ b/src/fake_data/provide_hass.ts
@@ -194,6 +194,7 @@ export const provideHass = (
       socket: {
         readyState: WebSocket.OPEN,
       },
+      haVersion: "DEMO",
     } as any,
     connected: true,
     states: {},