diff --git a/adminer/include/adminer.inc.php b/adminer/include/adminer.inc.php
index 89ad937a..1ca68fcc 100644
--- a/adminer/include/adminer.inc.php
+++ b/adminer/include/adminer.inc.php
@@ -255,7 +255,7 @@ class Adminer {
 	* @return string
 	*/
 	function selectVal($val, $link, $field, $original) {
-		$return = ($val === null ? "<i>NULL</i>" : (preg_match("~char|binary~", $field["type"]) && !preg_match("~var~", $field["type"]) ? "<code>$val</code>" : $val));
+		$return = ($val === null ? "<i>NULL</i>" : (preg_match("~char|binary|boolean~", $field["type"]) && !preg_match("~var~", $field["type"]) ? "<code>$val</code>" : $val));
 		if (preg_match('~blob|bytea|raw|file~', $field["type"]) && !is_utf8($val)) {
 			$return = "<i>" . lang('%d byte(s)', strlen($original)) . "</i>";
 		}
diff --git a/changes.txt b/changes.txt
index 8093f5a8..9d818552 100644
--- a/changes.txt
+++ b/changes.txt
@@ -11,6 +11,7 @@ PostgreSQL: Respect NULL default value
 PostgreSQL: Display foreign tables (bug #576)
 PostgreSQL: Do not export triggers if not requested
 PostgreSQL: Export DROP SEQUENCE if dropping table
+PostgreSQL: Display boolean values as code (bug #562)
 MS SQL: Support freetds
 Elasticsearch: Insert, update, delete
 MongoDB: Support mongodb PHP extension