diff --git a/app/startup.sh b/app/startup.sh
index ab9602e..50ddb1f 100755
--- a/app/startup.sh
+++ b/app/startup.sh
@@ -89,7 +89,7 @@ else
 		-i.bak $DST_DIR/config.php
 fi
 
-cd $DST_DIR && sudo -u app php ./update.php --update-schema force-yes
+cd $DST_DIR && sudo -u app php ./update.php --update-schema=force-yes
 
 touch $DST_DIR/.app_is_ready