diff --git a/lib/file-ext.js b/lib/file-ext.js
index 3f1bda3..145ad15 100644
--- a/lib/file-ext.js
+++ b/lib/file-ext.js
@@ -2,17 +2,9 @@ var fs = require('fs')
   , ArrayExt = require('./array-ext').ArrayExt
   , LineEmitter = require('./line-emitter').LineEmitter
   , ext = require('./ext')
-  , constants
-  , ENOENT
+  , constants = require('constants')
   ;
 
-try {
-    constants = require('constants')
-} catch (e) {
-    constants = process
-}
-ENOENT = constants.ENOENT
-
 exports.extend = function(obj) {
     ext.extend(obj || fs, FileExt);
 }
@@ -41,7 +33,7 @@ var FileExt = exports.FileExt = {
             fs.statSync(f)
             return true
         } catch (e) {
-            if (e.errno === ENOENT) return false
+            if (e.errno === constants.ENOENT) return false
             throw e
         }
     }