diff --git a/video_embed_field.module b/video_embed_field.module
index 6016faf..1e77e75 100755
--- a/video_embed_field.module
+++ b/video_embed_field.module
@@ -345,18 +345,22 @@ function template_preprocess_video_embed_field_embed_code(&$variables) {
   }
 
 
-  // Prepare the URL
-  if (!stristr($variables['url'], 'http://') && !stristr($variables['url'], 'https://')) {
-    $variables['url'] = 'http://' . $variables['url'];
-  }
+  if (!empty($variables['url')) {
+    // Prepare the URL
+    if (!stristr($variables['url'], 'http://') && !stristr($variables['url'], 'https://')) {
+        $variables['url'] = 'http://' . $variables['url'];
+    }
 
-  // Prepare embed code
-  if ($handler && isset($handler['function']) && function_exists($handler['function'])) {
-    $variables['embed_code'] = drupal_render(call_user_func($handler['function'], $variables['url'], $variables['style_settings']));
-  }
-  else {
-    $variables['embed_code'] = l($variables['url'], $variables['url']);
-  }
+    // Prepare embed code
+    if ($handler && isset($handler['function']) && function_exists($handler['function'])) {
+        $variables['embed_code'] = drupal_render(call_user_func($handler['function'], $variables['url'], $variables['style_settings']));
+    }
+    else {
+        $variables['embed_code'] = l($variables['url'], $variables['url']);
+    }
+ } else {
+   $variables['embed_code'] = '';
+ }
 
   // Prepare video data
   $variables['data'] = $variables['video_data'];
@@ -555,4 +559,4 @@ function _video_embed_field_load_video($hash) {
  */
 function _video_embed_field_hash($video_url, $video_style){
   return md5('vef' . $video_url . $video_style);
-}
\ No newline at end of file
+}