diff --git a/scripts/upgrade b/scripts/upgrade
index dee0696..9f75f7e 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -49,6 +49,13 @@ if [ -z "$turnserver_port" ]; then
     ynh_exec_warn_less yunohost firewall allow Both $turnserver_port
 fi
 
+# Cleaning legacy permissions
+if ynh_legacy_permissions_exists; then
+    ynh_legacy_permissions_delete_all
+
+    ynh_app_setting_delete --app=$app --key=is_public
+fi
+
 #=================================================
 # BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
 #=================================================