diff --git a/reference/parle/examples.xml b/reference/parle/examples.xml
index f4d91794e4..190d93da85 100644
--- a/reference/parle/examples.xml
+++ b/reference/parle/examples.xml
@@ -124,7 +124,7 @@ foreach ($exp as $in) {
 	$p->consume($in, $lex);
 
 	while (Parser::ACTION_ERROR != $p->action && Parser::ACTION_ACCEPT != $p->action) {
-		switch ($act) {
+	switch ($p->action) {
 			case Parser::ACTION_ERROR:
 				throw new ParserException("Parser error");
 				break;