diff --git a/glpi-start.sh b/glpi-start.sh
index 0600d63..5c1a343 100644
--- a/glpi-start.sh
+++ b/glpi-start.sh
@@ -24,7 +24,7 @@ then
 fi
 
 #Téléchargement et extraction des sources de GLPI
-if [ "$(ls ${FOLDER_WEB}${FOLDER_GLPI})" ];
+if [ "$(ls ${FOLDER_WEB}${FOLDER_GLPI}/bin)" ];
 then
 	echo "GLPI is already installed"
 else