diff --git a/devel/TODO b/devel/TODO
index 87919b6..e47269c 100644
--- a/devel/TODO
+++ b/devel/TODO
@@ -7,6 +7,7 @@ Noch zu tun:
 [ ] API
 [ ] Kassenwart-ueberweisung "ok" interface
 [ ] Einstellungen (email bei ueberweisung,...?)
+[ ] Ldap anbindung fuer login
 
 
 Nice-to-haf:
diff --git a/k4ever/transaction/templates/transaction/overview.html b/k4ever/transaction/templates/transaction/overview.html
index 359e31c..408f405 100644
--- a/k4ever/transaction/templates/transaction/overview.html
+++ b/k4ever/transaction/templates/transaction/overview.html
@@ -2,7 +2,11 @@
 
 {% block "content" %}
 	{% if transacted %}
-		<font color="green"><b>YOU DID IT!</b></font>. You transacted money!
+		{% if error %}
+			<font color="red"><b>ARGHZ</b></font>. U broakzt t3h formul4r!
+		{% else %}
+			<font color="green"><b>YOU DID IT!</b></font>. You transacted money!
+		{% endif %}
 	{% endif %}
 	<form method="POST" action="/transaction/">
 		{% csrf_token %}
diff --git a/k4ever/transaction/views.py b/k4ever/transaction/views.py
index 8b04ddd..b79f9c5 100644
--- a/k4ever/transaction/views.py
+++ b/k4ever/transaction/views.py
@@ -10,7 +10,9 @@ import datetime
 def overview(request):
 	history = Transaction.objects.filter(user=request.user).order_by("-dateTime")
 	transacted = False
+	error = False
 	if request.method == 'POST':
+		transacted = True
 		transaction = Transaction(user=request.user, dateTime=datetime.datetime.now())
 		form = TransactionForm(request.POST, instance=transaction)
 		if form.is_valid():
@@ -18,10 +20,11 @@ def overview(request):
 			form = TransactionForm()
 			transacted = True
 		else:
-			pass
+			error = True
+			form = TransactionForm()
 	else:
 		form = TransactionForm()
-	return render_to_response("transaction/overview.html", {'history': history, 'form': form, 'transacted': transacted}, RequestContext(request))
+	return render_to_response("transaction/overview.html", {'history': history, 'form': form, 'transacted': transacted, 'error': error}, RequestContext(request))
 
 @login_required
 def transact(request):