diff --git a/includes/Hooks.php b/includes/Hooks.php
index 955d42711d..c8561c24a1 100644
--- a/includes/Hooks.php
+++ b/includes/Hooks.php
@@ -410,6 +410,7 @@ class Hooks implements
 			$out = $article->getContext()->getOutput();
 			$titleMsg = $title->exists() ? 'editing' : 'creating';
 			$out->setPageTitleMsg( wfMessage( $titleMsg, $title->getPrefixedText() ) );
+			// @phan-suppress-next-line PhanTypeMismatchArgumentNullable Only null for invalid URL, shouldn't happen
 			$out->showPendingTakeover( $url, 'visualeditor-toload', $urlUtils->expand( $url ) );
 
 			$out->setRevisionId( $req->getInt( 'oldid', $article->getRevIdFetched() ) );