diff --git a/scripts/upgrade b/scripts/upgrade
index 7adbc2c..677df5c 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -136,7 +136,15 @@ if [ -z $jitsi_server ]; then
 fi
 
 # Define $e2e_enabled_by_default if not already defined
-if [ -z $e2e_enabled_by_default ]; then
+if [-z $e2e_enabled_by_default] ; then
+   e2e_enabled_by_default="invite"
+   ynh_app_setting_set --app=$app --key=e2e_enabled_by_default --value=$e2e_enabled_by_default
+fi
+if [$e2e_enabled_by_default=="true"] ; then
+   e2e_enabled_by_default="all"
+   ynh_app_setting_set --app=$app --key=e2e_enabled_by_default --value=$e2e_enabled_by_default
+fi
+if [$e2e_enabled_by_default=="false"]; then
    e2e_enabled_by_default="off"
    ynh_app_setting_set --app=$app --key=e2e_enabled_by_default --value=$e2e_enabled_by_default
 fi