diff --git a/scripts/change_url b/scripts/change_url
index cf31e3e..759de90 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -41,9 +41,10 @@ fi
 #=================================================
 ynh_script_progression --message="Rebuilding the app..." --weight=1
 
-npm install --prefix "$install_dir"
+ynh_use_nodejs
+ynh_exec_as $app $ynh_node_load_PATH $ynh_npm install
 npx next telemetry disable
-npm run build --prefix "$install_dir"
+ynh_exec_as $app $ynh_node_load_PATH $ynh_npm build
 
 #=================================================
 # GENERIC FINALISATION
diff --git a/scripts/install b/scripts/install
index 1e352c5..85963f7 100755
--- a/scripts/install
+++ b/scripts/install
@@ -55,9 +55,10 @@ chown $app:$app "$install_dir/.env.local"
 #=================================================
 ynh_script_progression --message="Building the app..." --weight=1
 
-CYPRESS_CACHE_FOLDER="$install_dir/.cache/cypress npm install --prefix "$install_dir"
+ynh_use_nodejs
+ynh_exec_as $app $ynh_node_load_PATH $ynh_npm install
 npx next telemetry disable
-CYPRESS_CACHE_FOLDER="$install_dir/.cache/cypress npm run build --prefix "$install_dir"
+ynh_exec_as $app $ynh_node_load_PATH $ynh_npm build
 
 #=================================================
 # GENERIC FINALIZATION
diff --git a/scripts/upgrade b/scripts/upgrade
index 036937c..938949a 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -116,9 +116,10 @@ chown $app:$app "$install_dir/.env.local"
 #=================================================
 ynh_script_progression --message="Rebuilding the app..." --weight=1
 
-CYPRESS_CACHE_FOLDER="$install_dir/.cache/cypress" npm install --prefix "$install_dir"
+ynh_use_nodejs
+ynh_exec_as $app $ynh_node_load_PATH $ynh_npm install
 npx next telemetry disable
-CYPRESS_CACHE_FOLDER="$install_dir/.cache/cypress" npm run build --prefix "$install_dir"
+ynh_exec_as $app $ynh_node_load_PATH $ynh_npm build
 
 #=================================================
 # START SYSTEMD SERVICE