diff --git a/includes/surveillance/surveillance.php b/includes/surveillance/surveillance.php
index 56405472f..300ad41f1 100644
--- a/includes/surveillance/surveillance.php
+++ b/includes/surveillance/surveillance.php
@@ -100,8 +100,7 @@ function getSurveillance($page, $siret){
 						'dirigeants'	=> 'dirigeants',
 	);
 	$return = '';
-	$firephp->log($_SESSION,'SESSION');
-	if(preg_match('/'.$assocPageDroit[$page].'\b/i', $_SESSION['tabInfo']['droits']))
+	if(is_string($page) && array_key_exists($page, $assocPageDroit) && preg_match('/'.$assocPageDroit[$page].'\b/i', $_SESSION['tabInfo']['droits']))
 	{
 		if(	preg_match('/voirsurv\b/i', $_SESSION['tabInfo']['pref']) && 
 			inSurveillance($assocPageSource[$page], $siret))