diff --git a/application/controllers/ComptageController.php b/application/controllers/ComptageController.php
index 51ff4819..e2f55228 100644
--- a/application/controllers/ComptageController.php
+++ b/application/controllers/ComptageController.php
@@ -15,7 +15,7 @@ class ComptageController extends Zend_Controller_Action
 		$valeur		= $request->getParam('valeur');
 		
 		$sessionValeur = $session->getCritere($key);
-		if(!empty($sessionValeur) && empty($valeur)) {
+		if($sessionValeur == "" && empty($valeur)) {
 			$session->unsetCritere($key);
 		} else {
 			$session->setCritere($key, $valeur);