diff --git a/app/Http/Controllers/ArticleController.php b/app/Http/Controllers/ArticleController.php
index ec61faa9..46e0947c 100755
--- a/app/Http/Controllers/ArticleController.php
+++ b/app/Http/Controllers/ArticleController.php
@@ -172,6 +172,9 @@ class ArticleController extends Controller
     public function showArticoliByDataStart($data_start)
     {
         try {
+            $validatedData = request()->validate([
+                'data_start' => 'required|date_format:Y-m-d',
+            ]);
 
             $articoliVenduti = $this->articoliByDataStart($data_start);