diff --git a/VERSION b/VERSION
index b6401a53..9fb533af 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-Version 2.00.0 (2012-07-28 02:08:47) dev
+Version 2.00.0 (2012-07-28 02:24:05) dev
diff --git a/gluon/validators.py b/gluon/validators.py
index a18099fb..0790f9b3 100644
--- a/gluon/validators.py
+++ b/gluon/validators.py
@@ -264,11 +264,13 @@ class IS_LENGTH(Validator):
 
     def __call__(self, value):
         if isinstance(value, cgi.FieldStorage):
-            if value.file:
+            if not value:
+                length = 0
+            elif value.file:
                 value.file.seek(0, os.SEEK_END)
                 length = value.file.tell()
                 value.file.seek(0, os.SEEK_SET)
-            else:
+            elif hasattr(value,'value'):
                 val = value.value
                 if val:
                     length = len(val)