diff --git a/modules/content_profile_registration.module b/modules/content_profile_registration.module
index fec7892..885ac51 100644
--- a/modules/content_profile_registration.module
+++ b/modules/content_profile_registration.module
@@ -20,6 +20,11 @@ function content_profile_registration_form_alter(&$form, &$form_state, $form_id)
     foreach ($form['#content_profile_registration_use_types'] as $type => $typename) {
       content_profile_registration_add_profile_form($type, $form, $form_state);
     }
+
+    // filefield validation
+    if (module_exists('filefield')) {
+      $form['#validate'][] = 'filefield_node_form_validate';
+    }
   }
   elseif ($form_id == 'content_profile_admin_settings') {
     $type = $form_state['type'];