diff --git a/lib/fetch/util.js b/lib/fetch/util.js
index 0e93fe468f9..fe53a441281 100644
--- a/lib/fetch/util.js
+++ b/lib/fetch/util.js
@@ -289,7 +289,9 @@ function determineRequestsReferrer (request) {
   const policy = request.referrerPolicy
 
   // Return no-referrer when empty or policy says so
-  if (policy === '' || policy === 'no-referrer') return 'no-referrer'
+  if (policy == null || policy === '' || policy === 'no-referrer') {
+    return 'no-referrer'
+  }
 
   // 2. Let environment be the request client
   const environment = request.client
@@ -326,7 +328,10 @@ function determineRequestsReferrer (request) {
 
   // If url's scheme is a local scheme (i.e. one of "about", "data", "javascript", "file")
   // then return "no-referrer".
-  if (urlProtocol === 'about:' || urlProtocol === 'data:' || urlProtocol === 'data:') {
+  if (
+    urlProtocol === 'about:' || urlProtocol === 'data:' ||
+    urlProtocol === 'javascript:' || urlProtocol === 'file:'
+  ) {
     return 'no-referrer'
   }