diff --git a/ext/view/theme.php b/ext/view/theme.php
index 4a4897c5..f41b17d6 100644
--- a/ext/view/theme.php
+++ b/ext/view/theme.php
@@ -26,7 +26,7 @@ class ViewImageTheme extends Themelet
         global $page;
         $page->set_title("Post {$image->id}: ".$image->get_tag_list());
         $page->set_heading(html_escape($image->get_tag_list()));
-        $page->add_block(new Block("Navigation", $this->build_navigation($image), "left", 0));
+        $page->add_block(new Block("Post {$image->id}", $this->build_navigation($image), "left", 0, "Navigationleft"));
         $page->add_block(new Block(null, $this->build_info($image, $editor_parts), "main", 20, "ImageInfo"));
         //$page->add_block(new Block(null, $this->build_pin($image), "main", 11));