diff --git a/404.php b/404.php
index b3a50d85..1d285150 100644
--- a/404.php
+++ b/404.php
@@ -24,7 +24,7 @@ get_header(); ?>
 
 					<?php if ( _s_categorized_blog() ) : // Only show the widget if site has multiple categories. ?>
 					<div class="widget widget_categories">
-						<h2 class="widgettitle"><?php _e( 'Most Used Categories', '_s' ); ?></h2>
+						<h2 class="widget-title"><?php _e( 'Most Used Categories', '_s' ); ?></h2>
 						<ul>
 						<?php
 							wp_list_categories( array(
@@ -53,4 +53,4 @@ get_header(); ?>
 		</main><!-- #main -->
 	</div><!-- #primary -->
 
-<?php get_footer(); ?>
\ No newline at end of file
+<?php get_footer(); ?>