Index: cck_blocks.module
===================================================================
--- cck_blocks.module	(revision 209)
+++ cck_blocks.module	(working copy)
@@ -109,7 +109,7 @@
 
       if ($cck_field_data) {
         // check the field content for string only containing whitespaces
-        $block_content = drupal_render($field_data);
+        $block_content = drupal_render($cck_field_data);
         
         if (trim($block_content) != '') {
           // Evaluate tokens in a user-defined title, if token module is installed