Index: docroot/sites/all/themes/fusion/fusion_core/template.php
===================================================================
--- docroot/sites/all/themes/fusion/fusion_core/template.php	(revision 6265)
+++ docroot/sites/all/themes/fusion/fusion_core/template.php	(working copy)
@@ -157,7 +157,7 @@
   $node_classes[] = $vars['zebra'];                                      // Node is odd or even
   $node_classes[] = (!$vars['node']->status) ? 'node-unpublished' : '';  // Node is unpublished
   $node_classes[] = ($vars['sticky']) ? 'sticky' : '';                   // Node is sticky
-  $node_classes[] = (isset($vars['node']->teaser)) ? 'teaser' : 'full-node';    // Node is teaser or full-node
+  $node_classes[] = $vars['teaser'] ? 'teaser' : 'full-node';    // Node is teaser or full-node
   $node_classes[] = 'node-type-'. $vars['node']->type;                   // Node is type-x, e.g., node-type-page
   $node_classes[] = (isset($vars['skinr'])) ? $vars['skinr'] : '';       // Add Skinr classes if present
   $node_classes = array_filter($node_classes);                           // Remove empty elements