diff --git a/src/wp-includes/html-api/class-wp-html-tag-processor.php b/src/wp-includes/html-api/class-wp-html-tag-processor.php
index 445de9ee29..1fe0029319 100644
--- a/src/wp-includes/html-api/class-wp-html-tag-processor.php
+++ b/src/wp-includes/html-api/class-wp-html-tag-processor.php
@@ -2324,6 +2324,10 @@ class WP_HTML_Tag_Processor {
 			continue;
 		}
 
+		$tag_ends_at                = strpos( $this->html, '>', $this->bytes_already_parsed );
+		$this->tag_ends_at          = $tag_ends_at;
+		$this->bytes_already_parsed = $tag_ends_at;
+
 		return $this->html;
 	}