diff --git a/lib/nconf/stores/file.js b/lib/nconf/stores/file.js
index ae0ffe1f..117f5ab8 100644
--- a/lib/nconf/stores/file.js
+++ b/lib/nconf/stores/file.js
@@ -21,7 +21,7 @@ var fs = require('fs'),
 //
 var File = exports.File = function (options) {
   if (!options || !options.file) {
-    throw new Error ('Missing required option `files`');
+    throw new Error ('Missing required option `file`');
   }
 
   Memory.call(this, options);