Index: units/helpers/navigation_bar.php
===================================================================
--- units/helpers/navigation_bar.php	(revision 15359)
+++ units/helpers/navigation_bar.php	(working copy)
@@ -139,7 +139,7 @@
 	{
 		$block_params = $this->_getBaseParams();
 		$block_params['cat_id'] = $this->Application->getBaseCategory();
-		$block_params['current'] = $this->_getCurrentCategoryId() == $block_params['cat_id'] || $this->_getCurrentCategoryId() == 0 ? 1 : 0;
+		$block_params['current'] = $this->_getCurrentCategoryId() == $block_params['cat_id'] ? 1 : 0;
 		$block_params['is_first'] = $this->_params['is_first'];
 		$block_params['template'] = ''; // to prevent warning when category element is rendered using general "render_as" block