diff --git a/lib/workers/repository/process/lookup/index.js b/lib/workers/repository/process/lookup/index.js
index 94fa6202620a14ff14f5ec810eadd7bcaf197f1c..af7d88d8b4d4fdbc658eeda35f5f12a36f03679d 100644
--- a/lib/workers/repository/process/lookup/index.js
+++ b/lib/workers/repository/process/lookup/index.js
@@ -78,6 +78,7 @@ async function lookupUpdates(config) {
   const updates = [];
   if (!allSatisfyingVersions.length) {
     const rollback = getRollbackUpdate(config, allVersions);
+    // istanbul ignore if
     if (!rollback) {
       return [
         {