diff --git a/app/Http/Controllers/Mobile/MobileProfileController.php b/app/Http/Controllers/Mobile/MobileProfileController.php
index c21dacd..0d4d7cb 100644
--- a/app/Http/Controllers/Mobile/MobileProfileController.php
+++ b/app/Http/Controllers/Mobile/MobileProfileController.php
@@ -35,7 +35,15 @@ class MobileProfileController {
     }
 
     public function addWeight(Request $request)
-    {
+    {        
+        $validator = Validator::make($request->all(), [
+            'weight' => 'required|int',
+        ]);
+
+        if ($validator->fails()) {
+            return response()->json(['errors' => $validator->errors()], 422);
+        }
+        
         $user = $request->user();
 
         $newMeasure = WeightMeasure::create([