diff --git nodeasblock.module nodeasblock.module
index beca945..6ee5a0c 100644
--- nodeasblock.module
+++ nodeasblock.module
@@ -37,10 +37,14 @@ define('NODEASBLOCK_ALWAYS', 2);
  * @{
  */
 define('NODEASBLOCK_BUILD_FULL', 'nodeasblock full');
+
+define('NODEASBLOCK_BUILD_TEASER', 'nodeasblock teaser');
 /**
  * @} End of "Node as block build modes".
  */
 
+
+
 /**
  * Implementation of hook_perm().
  */