diff --git a/includes/SkinVector.php b/includes/SkinVector.php
index 5b1d76767..61232de66 100644
--- a/includes/SkinVector.php
+++ b/includes/SkinVector.php
@@ -117,7 +117,6 @@ abstract class SkinVector extends SkinMustache {
 	];
 	private const SEARCH_SHOW_THUMBNAIL_CLASS = 'vector-search-box-show-thumbnail';
 	private const SEARCH_AUTO_EXPAND_WIDTH_CLASS = 'vector-search-box-auto-expand-width';
-	private const STICKY_HEADER_ENABLED_CLASS = 'vector-sticky-header-enabled';
 	private const CLASS_QUIET_BUTTON = 'mw-ui-button mw-ui-quiet';
 	private const CLASS_PROGRESSIVE = 'mw-ui-progressive';
 	private const CLASS_ICON_BUTTON = 'mw-ui-icon mw-ui-icon-element';
@@ -370,30 +369,6 @@ abstract class SkinVector extends SkinMustache {
 		Hooks::onSkinTemplateNavigation( $skin, $content_navigation );
 	}
 
-	/**
-	 * @inheritDoc
-	 */
-	public function getHtmlElementAttributes() {
-		$original = parent::getHtmlElementAttributes();
-
-		if ( VectorServices::getFeatureManager()->isFeatureEnabled( Constants::FEATURE_STICKY_HEADER ) ) {
-			// T290518: Add scroll padding to root element when the sticky header is
-			// enabled. This class needs to be server rendered instead of added from
-			// JS in order to correctly handle situations where the sticky header
-			// isn't visible yet but we still need scroll padding applied (e.g. when
-			// the user navigates to a page with a hash fragment in the URI). For this
-			// reason, we can't rely on the `vector-sticky-header-visible` class as it
-			// is added too late.
-			//
-			// Please note that this class applies scroll padding which does not work
-			// when applied to the body tag in Chrome, Safari, and Firefox (and
-			// possibly others). It must instead be applied to the html tag.
-			$original['class'] = implode( ' ', [ $original['class'] ?? '', self::STICKY_HEADER_ENABLED_CLASS ] );
-		}
-
-		return $original;
-	}
-
 	/**
 	 * Generate data needed to generate the sticky header.
 	 * @param array $searchBoxData
diff --git a/includes/SkinVector22.php b/includes/SkinVector22.php
index 88addb2e9..e44648fb9 100644
--- a/includes/SkinVector22.php
+++ b/includes/SkinVector22.php
@@ -11,6 +11,7 @@ use MediaWiki\MediaWikiServices;
  */
 class SkinVector22 extends SkinVector {
 	private const TOC_AB_TEST_NAME = 'skin-vector-toc-experiment';
+	private const STICKY_HEADER_ENABLED_CLASS = 'vector-sticky-header-enabled';
 
 	/**
 	 * Updates the constructor to conditionally disable table of contents in article
@@ -137,6 +138,30 @@ class SkinVector22 extends SkinVector {
 		return $data;
 	}
 
+	/**
+	 * @inheritDoc
+	 */
+	public function getHtmlElementAttributes() {
+		$original = parent::getHtmlElementAttributes();
+
+		if ( VectorServices::getFeatureManager()->isFeatureEnabled( Constants::FEATURE_STICKY_HEADER ) ) {
+			// T290518: Add scroll padding to root element when the sticky header is
+			// enabled. This class needs to be server rendered instead of added from
+			// JS in order to correctly handle situations where the sticky header
+			// isn't visible yet but we still need scroll padding applied (e.g. when
+			// the user navigates to a page with a hash fragment in the URI). For this
+			// reason, we can't rely on the `vector-sticky-header-visible` class as it
+			// is added too late.
+			//
+			// Please note that this class applies scroll padding which does not work
+			// when applied to the body tag in Chrome, Safari, and Firefox (and
+			// possibly others). It must instead be applied to the html tag.
+			$original['class'] = implode( ' ', [ $original['class'] ?? '', self::STICKY_HEADER_ENABLED_CLASS ] );
+		}
+
+		return $original;
+	}
+
 	/**
 	 * @return array
 	 */