diff --git a/be/app/Http/Controllers/MasterTaskController.php b/be/app/Http/Controllers/MasterTaskController.php
index 60d517c..5509966 100644
--- a/be/app/Http/Controllers/MasterTaskController.php
+++ b/be/app/Http/Controllers/MasterTaskController.php
@@ -65,6 +65,18 @@ class MasterTaskController extends Controller
             return response()->json($validator->errors(), 400);
         }
 
+        // validacia na max 50MB size pre attachmenty. neslo dat do klasickeho laravel validation, tak je to separe
+
+        if ($files = $request->file('data')['files']) {
+            foreach ( $files as $file ) {
+                if ($file->getSize() > 52428800)
+                    return response()->json([
+                        'files' => 'File size must be less than 50MB',
+                    ], 400);
+            }
+        }
+
+
         // upratanie requestu, pretoze frontend pouziva inu nomenklaturu fieldov ako appka
         $data['data'] = $request->all()['data'];
         $data['data']['title'] = $request->all()['data']['name'];