diff --git a/resources/skins.vector.es6/stickyHeader.js b/resources/skins.vector.es6/stickyHeader.js
index 9c75983f5..3321e7354 100644
--- a/resources/skins.vector.es6/stickyHeader.js
+++ b/resources/skins.vector.es6/stickyHeader.js
@@ -481,7 +481,8 @@ function makeStickyHeaderFunctional(
 		document.body.classList.remove( STICKY_HEADER_VISIBLE_CLASS );
 		stickyObserver.unobserve( stickyIntersection );
 	};
-	const addSection = document.querySelector( '#ca-addsection a' );
+	// When VectorPromoteAddTopic is set, #ca-addsection is the link itself
+	const addSection = document.querySelector( '#ca-addsection a' ) || document.querySelector( 'a#ca-addsection' );
 
 	prepareEditIcons(
 		header,