diff --git a/docroot/profiles/publisher/modules/contrib/twitter/twitter_post/twitter_post.module b/docroot/profiles/publisher/modules/contrib/twitter/twitter_post/twitter_post.module
index 29601a5..3bee673 100644
--- a/twitter_post/twitter_post.module
+++ b/twitter_post/twitter_post.module
@@ -262,6 +262,10 @@ function twitter_post_form($account = NULL) {
 function twitter_post_field_extra_fields() {
   $types = variable_get('twitter_post_types', array());
 
+  if (empty($types)) {
+    return;
+  }
+
   foreach ($types as $type) {
     $extra['node'][$type] = array(
       'form' => array(