diff --git a/php/blocks/block-coauthor-avatar/class-block-coauthor-avatar.php b/php/blocks/block-coauthor-avatar/class-block-coauthor-avatar.php
index c5cf1f8d..230ee5cd 100644
--- a/php/blocks/block-coauthor-avatar/class-block-coauthor-avatar.php
+++ b/php/blocks/block-coauthor-avatar/class-block-coauthor-avatar.php
@@ -76,7 +76,7 @@ function( $size, $url ) {
 				'style'  => '',
 				'class'  => ''
 			),
-			get_block_core_post_featured_image_border_attributes( $attributes ),
+			get_block_core_post_featured_image_border_attributes( $attributes )
 		);
 
 		$style_attribute_key_map = array(