diff --git a/tests/phpunit/tests/html-api/wpHtmlProcessorHtml5lib.php b/tests/phpunit/tests/html-api/wpHtmlProcessorHtml5lib.php
index f1f53fff4c196..a19d56db2d7f9 100644
--- a/tests/phpunit/tests/html-api/wpHtmlProcessorHtml5lib.php
+++ b/tests/phpunit/tests/html-api/wpHtmlProcessorHtml5lib.php
@@ -142,8 +142,8 @@ public static function build_html5_treelike_string( $fragment_context, $html ) {
$indent_level = count( $p->get_breadcrumbs() );
- $t = strtolower( $p->get_tag() );
- $output .= str_repeat( $indent, $indent_level - 1 ) . "<{$t}>\n";
+ $tag_name = strtolower( $p->get_tag() );
+ $output .= str_repeat( $indent, $indent_level - 1 ) . "<{$tag_name}>\n";
$attribute_names = $p->get_attribute_names_with_prefix( '' );
if ( $attribute_names ) {