diff --git a/lib/core/util.js b/lib/core/util.js
index 23e94651562..cb0a64e8c7a 100644
--- a/lib/core/util.js
+++ b/lib/core/util.js
@@ -792,8 +792,9 @@ const rangeHeaderRegex = /^bytes (\d+)-(\d+)\/(\d+|\*)?$/
  */
 function parseRangeHeader (range) {
   if (range == null || range === '') return { start: 0, end: null, size: null }
+  if (!range) return null
 
-  const m = range ? range.match(rangeHeaderRegex) : null
+  const m = rangeHeaderRegex.exec(range)
   return m
     ? {
         start: parseInt(m[1]),