diff --git a/scripts/install b/scripts/install
index 2d0c1a2..f5b4b3e 100755
--- a/scripts/install
+++ b/scripts/install
@@ -61,7 +61,7 @@ ynh_script_progression --message="Storing installation settings..."
 ynh_app_setting_set --app=$app --key=domain --value=$domain
 ynh_app_setting_set --app=$app --key=path --value=$path_url
 ynh_app_setting_set --app=$app --key=admin --value=$admin
-ynh_app_setting_set --app=$app --key=instance --value=$instance_name
+ynh_app_setting_set --app=$app --key=instance --value="$instance_name"
 ynh_app_setting_set --app=$app --key=registration --value=$registration
 ynh_app_setting_set --app=$app --key=admin_email --value=$admin_email
 ynh_app_setting_set --app=$app --key=secret_key --value=$secret_key