diff --git a/packages/react-chat-example/src/index.tsx b/packages/react-chat-example/src/index.tsx
index 3227de4..69cc6a1 100644
--- a/packages/react-chat-example/src/index.tsx
+++ b/packages/react-chat-example/src/index.tsx
@@ -76,7 +76,7 @@ function DragDiv() {
           <ReactChat
             theme={theme ? lightTheme : darkTheme}
             communityKey={
-              "0x0262c65c881f5a9f79343a26faaa02aad3af7c533d9445fb1939ed11b8bf4d2abd"
+              "0x0235f40f4128d9c672fe9ef9d30934ab7b1788873bc4488e3be91802fc83099a17"
             }
             fetchMetadata={fetchMetadata}
           />
diff --git a/packages/react-chat/src/hooks/messenger/useMessenger.ts b/packages/react-chat/src/hooks/messenger/useMessenger.ts
index d1363c0..9964eec 100644
--- a/packages/react-chat/src/hooks/messenger/useMessenger.ts
+++ b/packages/react-chat/src/hooks/messenger/useMessenger.ts
@@ -152,7 +152,7 @@ export function useMessenger(
         id: community.publicKeyStr,
         name: community.description.identity?.displayName ?? "",
         icon: uintToImgUrl(
-          community.description?.identity?.images?.thumbnail.payload ??
+          community.description?.identity?.images?.thumbnail?.payload ??
             new Uint8Array()
         ),
         members: 0,