diff --git a/wp-includes/vars.php b/wp-includes/vars.php
index 7ee3e4fd1..2731aaf60 100644
--- a/wp-includes/vars.php
+++ b/wp-includes/vars.php
@@ -62,6 +62,7 @@ $wp_htmltransbis = array(
 	'€' => '€',
 	'<' => '<',	# preserve fake HTML
 	'>' => '>',	# preserve fake HTML
+	'&' => '&',	# preserve fake HTML
 	'&sp;' => ' ', '!' => '!', '"' => '"', '#' => '#', '$' => '$', '%' => '%', ''' => ''', '(' => '(', ')' => ')',
 	'*' => '*', '+' => '+', ',' => ',', '‐' => '-', '−' => '-', '.' => '.', '/' => '/', ':' => ':', ';' => '&#59;', '<' => '<',
 	'=' => '=', '>' => '>', '?' => '?', '@' => '@', '[' => '[', '\' => '\', ']' => ']', 'ˆ' => '^', '_' => '_', '―' => '_',