diff --git a/webform.module b/webform.module
index 2559527..2d292a7 100644
--- a/webform.module
+++ b/webform.module
@@ -532,7 +532,6 @@ function webform_theme() {
     'webform_form' => array(
       'render element' => 'form',
       'template' => 'templates/webform-form',
-      'pattern' => 'webform_form_[0-9]+',
     ),
     'webform_confirmation' => array(
       'variables' => array('node' => NULL, 'sid' => NULL),
@@ -2648,6 +2647,7 @@ function template_preprocess_webform_form(&$vars) {
   elseif (isset($vars['form']['submission']['#value'])) {
     $vars['nid'] = $vars['form']['submission']['#value']->nid;
   }
+  $vars['theme_hook_suggestions'][] = 'webform_form__' . $vars['nid'];
 }
 
 /**