diff --git a/scripts/install b/scripts/install
index 56f704f..1a2c929 100644
--- a/scripts/install
+++ b/scripts/install
@@ -110,8 +110,9 @@ ynh_script_progression --message="Installing The Lounge..."
 
 pushd $final_path
 
-yarn install && ynh_exec_warn_less NODE_ENV=production yarn build
-
+	ynh_use_nodejs
+	yarn install && ynh_exec_warn_less NODE_ENV=production yarn build
+	
 popd
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 294f38c..abca621 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -127,7 +127,8 @@ ynh_install_extra_app_dependencies --repo="deb https://dl.yarnpkg.com/debian/ st
 if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
 	pushd $final_path
-
+	
+	ynh_use_nodejs
 	yarn install && ynh_exec_warn_less NODE_ENV=production yarn build
 
 	popd