diff --git a/alkatorapi/views.py b/alkatorapi/views.py
index 616684d..344ab85 100644
--- a/alkatorapi/views.py
+++ b/alkatorapi/views.py
@@ -12,6 +12,12 @@ def register(request):
         return HttpResponse('{"reason":"Too late!"}', status=400, content_type='application/json')
     if not request.POST.get('agreement'):
         return HttpResponse('{"reason":"Je potřeba souhlasit se zpracováním údajů!"}', status=400, content_type='application/json')
+    if not request.POST['first_name']:
+        return HttpResponse('{"reason":"Jméno je povinné!"}', status=400, content_type='application/json')
+    if not request.POST['last_name']:
+        return HttpResponse('{"reason":"Přijmení je povinné!"}', status=400, content_type='application/json')
+    if not request.POST['email']:
+        return HttpResponse('{"reason":"Email je povinný!"}', status=400, content_type='application/json')
     if User.objects.filter(email=request.POST['email']):
         return HttpResponse('{"reason":"Email je již registrován!"}', status=400, content_type='application/json')
     try:
diff --git a/frontend/src/scripts/index.js b/frontend/src/scripts/index.js
index 95970e5..483a204 100644
--- a/frontend/src/scripts/index.js
+++ b/frontend/src/scripts/index.js
@@ -91,7 +91,7 @@ class Main extends Component {
         </div>
         <div class="mb-3">
             <label for="date_of_birth" class="form-label">Datum narození</label>
-            <input type="date" class="form-control" id="date_of_birth" name="date_of_birth" />
+            <input type="date" class="form-control" id="date_of_birth" name="date_of_birth" max={new Date().toJSON().slice(0, 10)} />
         </div>
         <div class="mb-3 form-check">
             <input type="checkbox" class="form-check-input" id="agreement" name="agreement" />