Index: grid.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/webform/components/grid.inc,v
retrieving revision 1.14.2.6
diff -u -r1.14.2.6 grid.inc
--- grid.inc	8 Apr 2010 07:32:39 -0000	1.14.2.6
+++ grid.inc	16 May 2010 23:21:18 -0000
@@ -162,12 +162,15 @@
   foreach ($questions as $key => $question) {
     if ($question != '') {
       $element[$key] = array(
-        '#title'         => $question,
-        '#required'      => $component['mandatory'],
-        '#options'       => $options,
-        '#type'          => 'radios',
-        '#process'       => array('expand_radios', 'webform_expand_select_ids'),
-        '#validated'     => TRUE, // Webform handles validation separately.
+        '#title' => $question,
+        '#required' => $component['mandatory'],
+        '#options' => $options,
+        '#type' => 'radios',
+        '#process' => array('expand_radios', 'webform_expand_select_ids'),
+
+        // Webform handles validation manually.
+        '#validated' => TRUE,
+        '#webform_validated' => FALSE,
       );
     }
   }