diff --git a/django/didgeridoo/webshop/forms.py b/django/didgeridoo/webshop/forms.py
index 0139e27..925929a 100644
--- a/django/didgeridoo/webshop/forms.py
+++ b/django/didgeridoo/webshop/forms.py
@@ -68,10 +68,19 @@ class AddToCartForm(forms.Form):
 
 
 class CartForm(forms.Form):
-    amount_field = forms.FloatField(
-        label='pce',
-        help_text='Enter a Value between 1 and 99.')
-    print('cartform', amount_field)
+    amount_field = forms.IntegerField(
+                        label='pce',
+                        help_text='Enter a Value between 1 and 99.')
+
+    def change_amount(self, article):
+        print('CartForm.ChangeAmount')
+        position = CartPosition.objects.get(article=article)
+        self.amount_field = forms.IntegerField(
+            label='pce',
+            help_text='Enter a Value between 1 and 99.',
+            initial=position.amount
+        )
+        return self.amount_field
 
 
 class CheckoutForm(forms.Form):
diff --git a/django/didgeridoo/webshop/views.py b/django/didgeridoo/webshop/views.py
index bb721c1..498ed57 100644
--- a/django/didgeridoo/webshop/views.py
+++ b/django/didgeridoo/webshop/views.py
@@ -193,6 +193,7 @@ def registration(request):
 def cart(request):
     category_list = get_categories()
     currencies_form = CurrenciesForm
+    cart_form = CartForm
     rate = ExchangeRate
     article_view = True
     currency_name = "CHF"
@@ -301,6 +302,7 @@ def cart(request):
                   {'cart_position_list': cart_position_list,
                    'totalprice_list': totalprice_list,
                    'total': total,
+                   'cart_form': cart_form,
                    'currencies_form': currencies_form,
                    'amount_form': amount_form,
                    'article_view': article_view,