diff --git a/lib/browser/lighthouse.js b/lib/browser/lighthouse.js
index <HASH>..<HASH> 100644
--- a/lib/browser/lighthouse.js
+++ b/lib/browser/lighthouse.js
@@ -90,7 +90,7 @@ const lhConfig = {
 
 const parseLhResult = function(results) {
   if (!results || !results.lhr || !results.lhr.audits) {
-    return null;
+    throw new Error(`Error fetching lighthouse audit results`);
   }
 
   const audits = results.lhr.audits;
chore: throw error when audits results can't be fetched