diff --git a/lib/transformer/LinkTransformer.ts b/lib/transformer/LinkTransformer.ts
index 1c51856..9b74e73 100644
--- a/lib/transformer/LinkTransformer.ts
+++ b/lib/transformer/LinkTransformer.ts
@@ -103,7 +103,7 @@ const rewriteInternalLinks = (
         pageTitle = findLinkedPageInTree(
           flatPages,
           path.join(path.dirname(baseUrl), linkedPageFqfn),
-        ).pageTitle;
+        )?.pageTitle;
         LOGGER.debug(
           `Rewrite link to other page with title ${pageTitle} original link was ${href}`,
         );