diff --git a/packages/block-library/src/post-author-name/index.php b/packages/block-library/src/post-author-name/index.php
index cfad82a68efcf..08496d3e963bf 100644
--- a/packages/block-library/src/post-author-name/index.php
+++ b/packages/block-library/src/post-author-name/index.php
@@ -32,7 +32,7 @@ function render_block_core_post_author_name( $attributes, $content, $block ) {
 
 	$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => $align_class_name ) );
 
-	return sprintf( '<div %1$s>', $wrapper_attributes ) . $author_name . '</div>';
+	return sprintf( '<div %1$s>%2$s</div>', $wrapper_attributes, $author_name );
 }
 
 /**