diff --git a/lib/server/prefixer.js b/lib/server/prefixer.js
index 032ea670..895e109e 100644
--- a/lib/server/prefixer.js
+++ b/lib/server/prefixer.js
@@ -1,13 +1,11 @@
-(function() {
-    'use strict';
+'use strict';
+
+module.exports = function(value) {
+    if (typeof value === 'string')
+        if (value && !~value.indexOf('/'))
+            value = '/' + value;
+        else if (value.length === 1)
+            value = '';
     
-    module.exports = function(value) {
-        if (typeof value === 'string')
-            if (value && !~value.indexOf('/'))
-                value = '/' + value;
-            else if (value.length === 1)
-                value = '';
-        
-        return value;
-    };
-})();
+    return value;
+};