diff --git a/lib/url.js b/lib/url.js
index 7db23bf48a1305..bb11144f7a33bc 100644
--- a/lib/url.js
+++ b/lib/url.js
@@ -48,14 +48,14 @@ const hostlessProtocol = {
 // protocols that always contain a // bit.
 const slashedProtocol = {
   'http': true,
-  'https': true,
-  'ftp': true,
-  'gopher': true,
-  'file': true,
   'http:': true,
+  'https': true,
   'https:': true,
+  'ftp': true,
   'ftp:': true,
+  'gopher': true,
   'gopher:': true,
+  'file': true,
   'file:': true
 };
 const querystring = require('querystring');