diff --git a/scripts/_common.sh b/scripts/_common.sh
index 8ddb965..cae73c5 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -5,7 +5,7 @@
 #=================================================
 
 go_version=1.18
-node_version=18
+node_version=16
 
 #=================================================
 # PERSONAL HELPERS
@@ -69,19 +69,17 @@ function build_api {
 
 function build_ui {
     ynh_use_nodejs
-    node_path=$nodejs_path:$(sudo -u $app sh -c 'echo $PATH')
 
     pushd "$install_dir/sources/ui" || ynh_die
-        ynh_replace_string -m "npm" -r "yarn" -f "package.json"
-        ynh_replace_string -m "npx" -r "yarn run" -f "package.json"
         ynh_replace_string -m "cd .. && " -r "" -f "package.json"
         # chown -R "$app:$app" $install_dir
-        ynh_exec_as "$app" touch ".yarnrc"
-        ynh_exec_as "$app" env "$ynh_node_load_PATH" yarn --cache-folder "./yarn-cache" --use-yarnrc ".yarnrc" import 2>&1
-        ynh_exec_as "$app" env "$ynh_node_load_PATH" yarn --cache-folder "./yarn-cache" --use-yarnrc ".yarnrc" add husky 2>&1
-        ynh_exec_as "$app" env "$ynh_node_load_PATH" yarn --cache-folder "./yarn-cache" --use-yarnrc ".yarnrc" install 2>&1
-        ynh_exec_as "$app" env "$ynh_node_load_PATH" yarn --cache-folder "./yarn-cache" --use-yarnrc ".yarnrc" add graphql --ignore-engines 2>&1
-        ynh_exec_as "$app" env "$ynh_node_load_PATH" yarn --cache-folder "./yarn-cache" --use-yarnrc ".yarnrc" run build --public-url "$path" 2>&1
+        # ynh_exec_as "$app" touch ".yarnrc"
+        # ynh_exec_as "$app" env "$ynh_node_load_PATH" yarn --cache-folder "./yarn-cache" --use-yarnrc ".yarnrc" import 2>&1
+        # ynh_exec_as "$app" env "$ynh_node_load_PATH" yarn --cache-folder "./yarn-cache" --use-yarnrc ".yarnrc" add husky 2>&1
+        # ynh_exec_as "$app" env "$ynh_node_load_PATH" yarn --cache-folder "./yarn-cache" --use-yarnrc ".yarnrc" install 2>&1
+        # ynh_exec_as "$app" env "$ynh_node_load_PATH" yarn --cache-folder "./yarn-cache" --use-yarnrc ".yarnrc" add graphql --ignore-engines 2>&1
+        # ynh_exec_as "$app" env "$ynh_node_load_PATH" yarn --cache-folder "./yarn-cache" --use-yarnrc ".yarnrc" run build --public-url "$path" 2>&1
+        ynh_exec_as "$app" env "$ynh_node_load_PATH" "$ynh_npm" run build
     popd || ynh_die
 
     cp -rT "$install_dir/sources/ui/build" "$install_dir/output/ui"