diff --git a/src/pretix/base/models/orders.py b/src/pretix/base/models/orders.py
index a62ed30c0e..d1348c67de 100644
--- a/src/pretix/base/models/orders.py
+++ b/src/pretix/base/models/orders.py
@@ -240,15 +240,17 @@ class Order(LoggedModel):
             has_pending_refund=Exists(pending_refund),
         ).annotate(
             pending_sum_t=F('total') - Coalesce(F('payment_sum'), 0) + Coalesce(F('refund_sum'), 0),
-            pending_sum_rc=-1 * F('payment_sum') + Coalesce(F('refund_sum'), 0),
+            pending_sum_rc=-1 * Coalesce(F('payment_sum'), 0) + Coalesce(F('refund_sum'), 0),
         ).annotate(
             is_overpaid=Case(
                 When(~Q(status__in=(Order.STATUS_REFUNDED, Order.STATUS_CANCELED)) & Q(pending_sum_t__lt=0),
                      then=Value('1')),
                 When(Q(status__in=(Order.STATUS_REFUNDED, Order.STATUS_CANCELED)) & Q(pending_sum_rc__lt=0),
                      then=Value('1')),
-                When(Q(status__in=(Order.STATUS_EXPIRED, Order.STATUS_PENDING)) & Q(pending_sum_t__lt=0),
-                     then=Value('1')),
+                default=Value('0'),
+                output_field=models.IntegerField()
+            ),
+            is_pending_with_full_payment=Case(
                 When(Q(status__in=(Order.STATUS_EXPIRED, Order.STATUS_PENDING)) & Q(pending_sum_t__lte=0)
                      & Q(require_approval=False),
                      then=Value('1')),
diff --git a/src/pretix/control/forms/filter.py b/src/pretix/control/forms/filter.py
index 0db1497437..3c59ddc4ad 100644
--- a/src/pretix/control/forms/filter.py
+++ b/src/pretix/control/forms/filter.py
@@ -209,6 +209,7 @@ class EventOrderFilterForm(OrderFilterForm):
             ('pa', _('Approval pending')),
             ('overpaid', _('Overpaid')),
             ('underpaid', _('Underpaid')),
+            ('pendingpaid', _('Pending (but fully paid)'))
         ),
         required=False,
     )
@@ -276,9 +277,11 @@ class EventOrderFilterForm(OrderFilterForm):
             qs = qs.filter(
                 Q(~Q(status__in=(Order.STATUS_REFUNDED, Order.STATUS_CANCELED)) & Q(pending_sum_t__lt=0))
                 | Q(Q(status__in=(Order.STATUS_REFUNDED, Order.STATUS_CANCELED)) & Q(pending_sum_rc__lt=0))
-                | Q(Q(status__in=(Order.STATUS_EXPIRED, Order.STATUS_PENDING)) & Q(pending_sum_t__lt=0))
-                | Q(Q(status__in=(Order.STATUS_EXPIRED, Order.STATUS_PENDING)) & Q(pending_sum_t__lte=0)
-                    & Q(require_approval=False))
+            )
+        elif fdata.get('status') == 'pendingpaid':
+            qs = qs.filter(
+                Q(status__in=(Order.STATUS_EXPIRED, Order.STATUS_PENDING)) & Q(pending_sum_t__lte=0)
+                & Q(require_approval=False)
             )
         elif fdata.get('status') == 'underpaid':
             qs = qs.filter(
diff --git a/src/pretix/control/templates/pretixcontrol/event/index.html b/src/pretix/control/templates/pretixcontrol/event/index.html
index 0059716859..2f71270283 100644
--- a/src/pretix/control/templates/pretixcontrol/event/index.html
+++ b/src/pretix/control/templates/pretixcontrol/event/index.html
@@ -43,6 +43,17 @@
                     class="btn btn-primary">{% trans "Show orders pending approval" %}</a>
         </div>
     {% endif %}
+    {% if has_pending_orders_with_full_payment %}
+        <div class="alert alert-warning">
+            {% blocktrans trimmed %}
+                This event contains <strong>fully paid orders</strong> that are not marked as paid, probably
+                because no quota was left at the time their payment arrived. You should review the cases and consider
+                either refunding the customer or creating more space.
+            {% endblocktrans %}
+            <a href="{% url "control:event.orders" event=request.event.slug organizer=request.event.organizer.slug %}?status=pendingpaid"
+                    class="btn btn-primary">{% trans "Show affected orders" %}</a>
+        </div>
+    {% endif %}
     {% if actions|length > 0 %}
         <div class="panel panel-danger">
             <div class="panel-heading">
diff --git a/src/pretix/control/templates/pretixcontrol/orders/index.html b/src/pretix/control/templates/pretixcontrol/orders/index.html
index ec95d12892..8b6c04a609 100644
--- a/src/pretix/control/templates/pretixcontrol/orders/index.html
+++ b/src/pretix/control/templates/pretixcontrol/orders/index.html
@@ -137,6 +137,8 @@
                                 <span class="label label-warning">{% trans "OVERPAID" %}</span>
                             {% elif o.is_underpaid  %}
                                 <span class="label label-danger">{% trans "UNDERPAID" %}</span>
+                            {% elif o.is_pending_with_full_payment %}
+                                <span class="label label-danger">{% trans "FULLY PAID" %}</span>
                             {% endif %}
                             {{ o.total|money:request.event.currency }}
                         </td>
diff --git a/src/pretix/control/views/dashboards.py b/src/pretix/control/views/dashboards.py
index 1b95a50408..103fa02060 100644
--- a/src/pretix/control/views/dashboards.py
+++ b/src/pretix/control/views/dashboards.py
@@ -270,9 +270,9 @@ def event_index(request, organizer, event):
     ctx['has_overpaid_orders'] = Order.annotate_overpayments(request.event.orders).filter(
         Q(~Q(status__in=(Order.STATUS_REFUNDED, Order.STATUS_CANCELED)) & Q(pending_sum_t__lt=0))
         | Q(Q(status__in=(Order.STATUS_REFUNDED, Order.STATUS_CANCELED)) & Q(pending_sum_rc__lt=0))
-        | Q(Q(status__in=(Order.STATUS_EXPIRED, Order.STATUS_PENDING)) & Q(pending_sum_t__lt=0))
-        | Q(Q(status__in=(Order.STATUS_EXPIRED, Order.STATUS_PENDING)) & Q(pending_sum_t__lte=0)
-            & Q(require_approval=False))
+    ).exists()
+    ctx['has_pending_orders_with_full_payment'] = Order.annotate_overpayments(request.event.orders).filter(
+        Q(status__in=(Order.STATUS_EXPIRED, Order.STATUS_PENDING)) & Q(pending_sum_t__lte=0) & Q(require_approval=False)
     ).exists()
     ctx['has_pending_refunds'] = OrderRefund.objects.filter(
         order__event=request.event,
diff --git a/src/tests/base/test_models.py b/src/tests/base/test_models.py
index 56bc5cb538..5c859a8611 100644
--- a/src/tests/base/test_models.py
+++ b/src/tests/base/test_models.py
@@ -1018,7 +1018,8 @@ class OrderTestCase(BaseQuotaTestCase):
         assert self.order.pending_sum == Decimal('0.00')
         o = Order.annotate_overpayments(Order.objects.all()).first()
         assert not o.is_underpaid
-        assert o.is_overpaid
+        assert not o.is_overpaid
+        assert not o.is_pending_with_full_payment
         assert not o.has_pending_refund
         assert not o.has_external_refund