diff --git a/scripts/install b/scripts/install
index 5d6908a..de29773 100755
--- a/scripts/install
+++ b/scripts/install
@@ -89,7 +89,7 @@ ynh_script_progression --message="Deploying..."
 
 pushd "$install_dir"
 	ynh_use_nodejs
-	ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH yarn install --production=true
+	ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH yarn install --production
 	ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH yarn run production
 	ynh_exec_warn_less ynh_exec_as $app php$phpversion artisan setup:production --force --email=$email --password=$password
 	ynh_exec_warn_less ynh_exec_as $app php$phpversion artisan passport:client --password -n > key.txt
diff --git a/scripts/upgrade b/scripts/upgrade
index d9042b4..9f2cbbd 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -80,7 +80,7 @@ ynh_script_progression --message="Deploying..."
 
 pushd "$install_dir"
 	ynh_use_nodejs
-	ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH yarn install --production=true
+	ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH yarn install --production
 	ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH yarn run production
 	ynh_exec_warn_less ynh_exec_as $app php$phpversion artisan monica:update --force
 popd