In Model file. (/app/code/core/Mage/Catalog/Model/Observer.php) Update following code in Function Name: _addCategoriesToMenu $categoryData = array ( 'name' => $category -> getName (), 'id' => $nodeId , 'url' => Mage :: helper ( 'catalog/category' )-> getCategoryUrl ( $category ), 'is_active' => $this -> _isActiveMenuCategory ( $category ), 'thumbnail' => Mage :: getModel ( 'catalog/category' )-> load ( $category -> getId ())-> getThumbnail () ); Then go into Html folder. (app/code/core/Mage/Page/Block/Html/Topmenu.php) Update the following line of code at line 131 in Function name: _getHtml replace : $html .= '<li ' . $this->_getRenderedMenuItemAttributes($child) . '>'; $html .= '<a href="' . $child->getUrl() . '" ' . $outermostClassCode . '>