diff --git a/fusion_core/block.tpl.php b/fusion_core/block.tpl.php
index dddc7f28a6220e99d9ccb9ad43ab581de9fc87e2..9fb6dbd399c9d7ab5cca835116c1011e8ff9710e 100644
--- a/fusion_core/block.tpl.php
+++ b/fusion_core/block.tpl.php
@@ -40,7 +40,7 @@
  * @see template_process()
  */
 ?>
-<div id="block-<?php print $block->module . '-' . $block->delta; ?>" class="<?php print $classes; ?>"<?php print $attributes; ?>>
+<div id="<?php print $block_html_id; ?>" class="<?php print $classes; ?>"<?php print $attributes; ?>>
   <div class="gutter inner clearfix">
     <?php print render($title_prefix); ?>
     <?php if ($block->subject): ?>