diff --git a/src/components/ThreadConversation.tsx b/src/components/ThreadConversation.tsx
index 2a84a20..c7eb114 100644
--- a/src/components/ThreadConversation.tsx
+++ b/src/components/ThreadConversation.tsx
@@ -45,7 +45,7 @@ function getParentId(
     // Fallback: check if reply pointer gives us an event ID
     const pointer = getCommentReplyPointer(event);
     if (pointer && "id" in pointer) {
-      return pointer.id;
+      return pointer.id || null;
     }
 
     return null;
diff --git a/src/components/ThreadViewer.tsx b/src/components/ThreadViewer.tsx
index 2ed603e..264967a 100644
--- a/src/components/ThreadViewer.tsx
+++ b/src/components/ThreadViewer.tsx
@@ -26,7 +26,6 @@ import { ThreadConversation } from "./ThreadConversation";
 
 export interface ThreadViewerProps {
   pointer: EventPointer | AddressPointer;
-  customTitle?: string;
 }
 
 /**
@@ -74,12 +73,12 @@ function getThreadRoot(
     // Fallback to parent pointer if no root found
     if (pointer) {
       if ("id" in pointer) {
-        return { id: pointer.id };
-      } else {
+        return pointer.id ? { id: pointer.id } : null;
+      } else if ("kind" in pointer && "pubkey" in pointer) {
         return {
-          kind: pointer.kind,
-          pubkey: pointer.pubkey,
-          identifier: pointer.identifier,
+          kind: pointer.kind as number,
+          pubkey: pointer.pubkey as string,
+          identifier: (pointer.identifier as string | undefined) || "",
         };
       }
     }
@@ -96,18 +95,18 @@ function getThreadRoot(
  * ThreadViewer - Displays a Nostr thread with root post and replies
  * Supports both NIP-10 (kind 1 replies) and NIP-22 (kind 1111 comments)
  */
-export function ThreadViewer({ pointer, customTitle }: ThreadViewerProps) {
+export function ThreadViewer({ pointer }: ThreadViewerProps) {
   const event = useNostrEvent(pointer);
   const { relays: relayStates } = useRelayState();
 
   // Get thread root
   const rootPointer = useMemo(() => {
-    if (!event) return null;
+    if (!event) return undefined;
     return getThreadRoot(event);
   }, [event]);
 
   // Load root event (might be the same as event)
-  const rootEvent = useNostrEvent(rootPointer);
+  const rootEvent = useNostrEvent(rootPointer ?? undefined);
 
   // Get relays for the root event
   const rootRelays = useMemo(() => {
diff --git a/src/components/WindowRenderer.tsx b/src/components/WindowRenderer.tsx
index bb58042..ae1364c 100644
--- a/src/components/WindowRenderer.tsx
+++ b/src/components/WindowRenderer.tsx
@@ -174,12 +174,7 @@ export function WindowRenderer({ window, onClose }: WindowRendererProps) {
         content = <EventDetailViewer pointer={window.props.pointer} />;
         break;
       case "thread":
-        content = (
-          <ThreadViewer
-            pointer={window.props.pointer}
-            customTitle={window.customTitle}
-          />
-        );
+        content = <ThreadViewer pointer={window.props.pointer} />;
         break;
       case "profile":
         content = <ProfileViewer pubkey={window.props.pubkey} />;
diff --git a/tsconfig.node.tsbuildinfo b/tsconfig.node.tsbuildinfo
index 5e39d3d..75ea001 100644
--- a/tsconfig.node.tsbuildinfo
+++ b/tsconfig.node.tsbuildinfo
@@ -1 +1 @@
-{"root":["./vite.config.ts"],"errors":true,"version":"5.9.3"}
\ No newline at end of file
+{"root":["./vite.config.ts"],"version":"5.6.3"}
\ No newline at end of file