diff --git a/server.js b/server.js
index c1d97ff..a159a19 100644
--- a/server.js
+++ b/server.js
@@ -1,6 +1,6 @@
-const http = require('http')
-const throng = require('throng')
-const createServer = require('./server/createServer')
+const http = require("http")
+const throng = require("throng")
+const createServer = require("./server/createServer")
 
 const port = parseInt(process.env.PORT, 10) || 5000
 
@@ -10,22 +10,24 @@ function startServer(id) {
   // Heroku dynos automatically timeout after 30s. Set our
   // own timeout here to force sockets to close before that.
   // https://devcenter.heroku.com/articles/request-timeout
-  server.setTimeout(25000, function (socket) {
+  server.setTimeout(25000, function(socket) {
     const message = `Timeout of 25 seconds exceeded`
 
-    socket.end([
-      'HTTP/1.1 503 Service Unavailable',
-      'Date: ' + (new Date).toGMTString(),
-      'Content-Length: ' + Buffer.byteLength(message),
-      'Content-Type: text/plain',
-      'Connection: close',
-      '',
-      message
-    ].join('\r\n'))
+    socket.end(
+      [
+        "HTTP/1.1 503 Service Unavailable",
+        "Date: " + new Date().toGMTString(),
+        "Content-Length: " + Buffer.byteLength(message),
+        "Content-Type: text/plain",
+        "Connection: close",
+        "",
+        message
+      ].join("\r\n")
+    )
   })
 
-  server.listen(port, function () {
-    console.log('Server #%s listening on port %s, Ctrl+C to stop', id, port)
+  server.listen(port, function() {
+    console.log("Server #%s listening on port %s, Ctrl+C to stop", id, port)
   })
 }
 
diff --git a/server/utils/createPackageURL.js b/server/utils/createPackageURL.js
index e844fd0..6e5522c 100644
--- a/server/utils/createPackageURL.js
+++ b/server/utils/createPackageURL.js
@@ -1,9 +1,9 @@
-function createPackageURL(packageName, version, filename, search) {
-  let pathname = `/${packageName}`
-  if (version != null) pathname += `@${version}`
-  if (filename) pathname += filename
-  if (search) pathname += search
-  return pathname
+function createPackageURL(packageName, version, pathname, search) {
+  let url = `/${packageName}`
+  if (version != null) url += `@${version}`
+  if (pathname) url += pathname
+  if (search) url += search
+  return url
 }
 
 module.exports = createPackageURL