diff --git a/scripts/install b/scripts/install
index 9b09f4f..c7386af 100755
--- a/scripts/install
+++ b/scripts/install
@@ -28,6 +28,7 @@ domain=$YNH_APP_ARG_DOMAIN
 path_url=$YNH_APP_ARG_PATH
 is_public=$YNH_APP_ARG_IS_PUBLIC
 app=$YNH_APP_INSTANCE_NAME
+upstream_version=$YNH_APP_MANIFEST_VERSION
 
 #=================================================
 # CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
diff --git a/scripts/upgrade b/scripts/upgrade
index 57bb24a..a296944 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -15,6 +15,7 @@ source /usr/share/yunohost/helpers
 ynh_script_progression --message="Loading installation settings..." --weight=1
 
 app=$YNH_APP_INSTANCE_NAME
+upstream_version=$YNH_APP_MANIFEST_VERSION
 
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 path_url=$(ynh_app_setting_get --app=$app --key=path)