diff --git a/billard/admin.py b/billard/admin.py
index e61af64..1bcbd9b 100644
--- a/billard/admin.py
+++ b/billard/admin.py
@@ -83,12 +83,19 @@ class DeskAdmin(admin.ModelAdmin):
     list_filter = ('client', 'desk_no', 'enabled', 'prize', 'prize_hh')
 
 
+@admin.action(description='Mark selected billings to billed')
+def set_billing_true(modeladmin, request, queryset):
+    queryset.update(billing=True)
+
+
 @admin.register(Accounting)
 class AccountingAdmin(admin.ModelAdmin):
     list_display = ('desk', 'time_from', 'time_to', 'prize', 'billed', 'account_user', 'account_tst')
     list_filter = ('desk__client__location', 'account_user', 'account_tst', 'billed')
+    actions = [set_billing_true]
 
     def has_add_permission(self, request):
         if request.user.username == 'reinsle':
             return True
         return False
+
diff --git a/caromserver/settings.py b/caromserver/settings.py
index 040b957..8b8c413 100644
--- a/caromserver/settings.py
+++ b/caromserver/settings.py
@@ -169,6 +169,8 @@ INTERNAL_IPS = ['127.0.0.1']
 
 DJANGO_TABLES2_TEMPLATE = 'django_tables2/bootstrap4.html'
 
+DEFAULT_AUTO_FIELD = 'django.db.models.AutoField'
+
 try:
     from local_settings import *
 except ImportError: