diff --git a/scripts/upgrade b/scripts/upgrade
index be4b884..3d955b4 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -3,7 +3,7 @@
 source _common.sh
 source /usr/share/yunohost/helpers
 
-ynh_app_setting_set_default --key=php_upload_max_filesize --value=256M
+ynh_app_setting_set --key=php_upload_max_filesize --value=256M
 
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE