diff --git a/app/store/app.ts b/app/store/app.ts
index ea048e62b..6ebe6f285 100644
--- a/app/store/app.ts
+++ b/app/store/app.ts
@@ -124,7 +124,7 @@ const DEFAULT_CONFIG: ChatConfig = {
   compressMessageLengthThreshold: 1000,
   sendBotMessages: true as boolean,
   submitKey: SubmitKey.Enter as SubmitKey,
-  avatar: "1F92B",
+  avatar: "1f92b",
   fontSize: 14,
   theme: Theme.Auto as Theme,
   tightBorder: false,