diff --git a/src/base/single/input/file.js b/src/base/single/input/file.js
index a7c99f985..eb55755c7 100644
--- a/src/base/single/input/file.js
+++ b/src/base/single/input/file.js
@@ -401,7 +401,7 @@
         return handler;
     };
 
-    BI.File = BI.inherit(BI.Single, {
+    BI.File = BI.inherit(BI.Widget, {
         _defaultConfig: function () {
             var conf = BI.File.superclass._defaultConfig.apply(this, arguments);
             return BI.extend(conf, {