diff --git a/labs/bbb-api-php/includes/bbb-api.php b/labs/bbb-api-php/includes/bbb-api.php
index 2bc6322cefbb18141c66818fc5a17e0c93612a34..a932c1fafe0cb3b8c0433373c89c648e0ea2b798 100644
--- a/labs/bbb-api-php/includes/bbb-api.php
+++ b/labs/bbb-api-php/includes/bbb-api.php
@@ -134,7 +134,7 @@ class BigBlueButton {
 		'&logoutURL='.urlencode($creationParams['logoutUrl']).
 		'&maxParticipants='.urlencode($creationParams['maxParticipants']).
 		'&record='.urlencode($creationParams['record']).
-		'&duration='.urlencode($creationParams['duration']).
+		'&duration='.urlencode($creationParams['duration']);
 		//'&meta_category='.urlencode($creationParams['meta_category']);				
 		$welcomeMessage = $creationParams['welcomeMsg'];
 		if(trim($welcomeMessage))