diff --git a/node_embed.module b/node_embed.module
index 5cb09f4..fcaf105 100644
--- a/node_embed.module
+++ b/node_embed.module
@@ -44,7 +44,7 @@ function node_embed_filter_tips($delta, $format, $long = FALSE) {
  * Implementation of hook_preprocess_node()
  */
 function node_embed_preprocess_node(&$vars) {
-  if ($vars['node_embedded']) { 
+  if (isset($vars['node_embedded'] && $vars['node_embedded']) { 
     $vars['template_files'][] = "node-embed--default";
     $vars['template_files'][] = 'node-embed--' . $vars['type'];
   }
@@ -182,6 +182,6 @@ function node_embed_wysiwyg_include_directory($type) {
  *  Implementation of hook_init - attach the needed css files if we're on a form page
  */
 
-function node_embed_init () {
-	drupal_add_css(drupal_get_path('module', 'node_embed').'/plugins/node_embed/node_embed.css');	
-}
\ No newline at end of file
+function node_embed_init() {
+  drupal_add_css(drupal_get_path('module', 'node_embed').'/plugins/node_embed/node_embed.css');
+}