From 08fafcf2ee03839ffb7b27b1450b9713ab147d72 Mon Sep 17 00:00:00 2001
From: Ludwig Schubert <ludwigschubert@google.com>
Date: Mon, 21 Aug 2017 18:43:58 -0700
Subject: [PATCH] Fix: crash if no byline was present

---
 src/controller.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/controller.js b/src/controller.js
index 4b1fd66..bd70002 100644
--- a/src/controller.js
+++ b/src/controller.js
@@ -113,7 +113,9 @@ export const Controller = {
       }
 
       const byline = document.querySelector('d-byline');
-      byline.frontMatter = frontMatter;
+      if (byline) {
+        byline.frontMatter = frontMatter;
+      }
     },
 
     DOMContentLoaded() {