diff --git a/src/view/phui/PHUIHeaderView.php b/src/view/phui/PHUIHeaderView.php
index 7cd9da5712..7283be15a7 100644
--- a/src/view/phui/PHUIHeaderView.php
+++ b/src/view/phui/PHUIHeaderView.php
@@ -71,7 +71,7 @@ final class PHUIHeaderView extends AphrontView {
     }
 
     if ($this->bleedHeader) {
-      $classes[] = 'phabricator-bleed-header';
+      $classes[] = 'phui-bleed-header';
     }
 
     if ($this->gradient) {