diff --git a/lib/workers/repository/process/lookup/index.js b/lib/workers/repository/process/lookup/index.js
index cbd57b7b4dd3a7f37df0aa1f20579e5c2175b5d7..1ad512c821be7825f702c98f0244119ad0d28f7f 100644
--- a/lib/workers/repository/process/lookup/index.js
+++ b/lib/workers/repository/process/lookup/index.js
@@ -133,6 +133,7 @@ async function lookupUpdates(config) {
     }
   }
   let { repositoryUrl } = dependency;
+  // istanbul ignore if
   if (!(repositoryUrl && repositoryUrl.length)) {
     repositoryUrl = null;
   }
diff --git a/test/workers/repository/process/lookup/__snapshots__/index.spec.js.snap b/test/workers/repository/process/lookup/__snapshots__/index.spec.js.snap
index 47774973802afb5609a43183faa40609852b8a03..17a00d99069053a7ac6834dd381969dc9502b8cb 100644
--- a/test/workers/repository/process/lookup/__snapshots__/index.spec.js.snap
+++ b/test/workers/repository/process/lookup/__snapshots__/index.spec.js.snap
@@ -476,7 +476,7 @@ Array [
     "newVersion": "^0.0.35",
     "newVersionMajor": 0,
     "newVersionMinor": 0,
-    "repositoryUrl": null,
+    "repositoryUrl": "https://github.com/DefinitelyTyped/DefinitelyTyped",
     "toVersion": "0.0.35",
     "type": "minor",
     "unpublishable": false,