diff --git a/alkatorapi/views.py b/alkatorapi/views.py
index 84fe626..9ade74d 100644
--- a/alkatorapi/views.py
+++ b/alkatorapi/views.py
@@ -216,7 +216,7 @@ def change_racer(request):
             dob = datetime.strptime(request.POST['date_of_birth'], "%Y-%m-%d").date()
             if dob > DEADLINE - relativedelta(years=18):
                 return HttpResponse('{"reason":"Je potřeba mít 18 let v den závodu!"}', status=400, content_type='application/json')
-            elif dob < DEADLINE - relativedelta(years):
+            elif dob < DEADLINE - relativedelta(years=100):
                 return HttpResponse('{"reason":"Opravdu vám je 100 let?"}', status=400, content_type='application/json')
         except:
             return HttpResponse('{"reason":"Špatný formát datu narození!"}', status=400, content_type='application/json')