diff --git a/web/posts/post-comments.tsx b/web/posts/post-comments.tsx
index a9a8532e..62f69074 100644
--- a/web/posts/post-comments.tsx
+++ b/web/posts/post-comments.tsx
@@ -166,8 +166,8 @@ export function PostComment(props: {
           )}
           <Tipper
             comment={comment}
-            myTip={me ? tips[me.id] ?? 0 : 0}
-            totalTip={sum(Object.values(tips))}
+            myTip={me ? tips?.[me.id] ?? 0 : 0}
+            totalTip={sum(Object.values(tips ?? {}))}
           />
         </Row>
       </div>