diff --git a/RIGS/finance.py b/RIGS/finance.py
index a6be584c..e0f7ec7a 100644
--- a/RIGS/finance.py
+++ b/RIGS/finance.py
@@ -115,6 +115,7 @@ class InvoiceEvent(generic.View):
 
 class PaymentCreate(generic.CreateView):
     model = models.Payment
+    fields = ['invoice','date','amount','method']
 
     def get_initial(self):
         initial = super(generic.CreateView, self).get_initial()
diff --git a/RIGS/models.py b/RIGS/models.py
index 0c06ebbb..3b3024a7 100644
--- a/RIGS/models.py
+++ b/RIGS/models.py
@@ -297,7 +297,7 @@ class Event(models.Model, RevisionMixin):
         #total = 0.0
         #for item in self.items.filter(cost__gt=0).extra(select="SUM(cost * quantity) AS sum"):
         #    total += item.sum
-        total = EventItem.objects.filter(event=self).aggregate(sum_total=models.Sum('cost',field="quantity * cost"))['sum_total']
+        total = EventItem.objects.filter(event=self).aggregate(sum_total=models.Sum(models.F('cost')*models.F('quantity')))['sum_total']
         if total:
             return total
         return Decimal("0.00")
diff --git a/RIGS/templates/RIGS/event_detail.html b/RIGS/templates/RIGS/event_detail.html
index 13d97cf5..c1e21c25 100644
--- a/RIGS/templates/RIGS/event_detail.html
+++ b/RIGS/templates/RIGS/event_detail.html
@@ -110,7 +110,7 @@
                     {% if event.is_rig %}
                         <dt>Event MIC</dt>
                         <dd>
-                            {% if perms.RIGS.view_profile %}
+                            {% if event.mic and perms.RIGS.view_profile %}
                                 <a href="{% url 'profile_detail' event.mic.pk %}" class="modal-href">
                                     {{ event.mic.name }}
                                 </a>