diff --git a/VERSION b/VERSION
index c71f25c5..d0c56127 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-Version 2.4.1-alpha.1+timestamp.2012.12.23.23.01.49
+Version 2.4.1-alpha.1+timestamp.2012.12.23.23.33.10
diff --git a/gluon/html.py b/gluon/html.py
index 78946060..09783e78 100644
--- a/gluon/html.py
+++ b/gluon/html.py
@@ -1733,7 +1733,7 @@ class INPUT(DIV):
         if self['_type'] != 'checkbox':
             self['old_value'] = self['value'] or self['_value'] or ''
             value = request_vars_get(name, '')
-            self['value'] = value
+            self['value'] = value if not hasattr(value,'file') else None
         else:
             self['old_value'] = self['value'] or False
             value = request_vars_get(name)