diff --git a/lib/server/prefixer.js b/lib/server/prefixer.js
index 895e109e..85446a32 100644
--- a/lib/server/prefixer.js
+++ b/lib/server/prefixer.js
@@ -1,11 +1,15 @@
 'use strict';
 
-module.exports = function(value) {
-    if (typeof value === 'string')
-        if (value && !~value.indexOf('/'))
-            value = '/' + value;
-        else if (value.length === 1)
-            value = '';
+module.exports = (value) => {
+    if (typeof value !== 'string')
+        return value;
+        
+    if (value && !~value.indexOf('/'))
+        return '/' + value;
+    
+    if (value.length === 1)
+        return '';
     
     return value;
 };
+