diff --git a/bookwyrm/views/admin/automod.py b/bookwyrm/views/admin/automod.py
index 9a32dd9ee..58818ad9b 100644
--- a/bookwyrm/views/admin/automod.py
+++ b/bookwyrm/views/admin/automod.py
@@ -6,7 +6,7 @@ from django.template.response import TemplateResponse
 from django.utils.decorators import method_decorator
 from django.views import View
 from django.views.decorators.http import require_POST
-from django_celery_beat.models import PeriodicTask
+from django_celery_beat.models import PeriodicTask, IntervalSchedule
 
 from bookwyrm import forms, models
 
@@ -54,7 +54,7 @@ def schedule_automod_task(request):
         return TemplateResponse(request, "settings/automod/rules.html", data)
 
     with transaction.atomic():
-        schedule = form.save(request)
+        schedule, _ = IntervalSchedule.objects.get_or_create(**form.cleaned_data)
         PeriodicTask.objects.get_or_create(
             interval=schedule,
             name="automod-task",
diff --git a/bookwyrm/views/admin/dashboard.py b/bookwyrm/views/admin/dashboard.py
index 4b2575fa6..a4c630067 100644
--- a/bookwyrm/views/admin/dashboard.py
+++ b/bookwyrm/views/admin/dashboard.py
@@ -13,7 +13,7 @@ from django.template.response import TemplateResponse
 from django.utils import timezone
 from django.utils.decorators import method_decorator
 from django.views import View
-from django_celery_beat.models import PeriodicTask
+from django_celery_beat.models import PeriodicTask, IntervalSchedule
 
 from csp.decorators import csp_update
 
@@ -79,7 +79,9 @@ class Dashboard(View):
         schedule_form = forms.IntervalScheduleForm(request.POST)
 
         with transaction.atomic():
-            schedule = schedule_form.save(request)
+            schedule, _ = IntervalSchedule.objects.get_or_create(
+                **schedule_form.cleaned_data
+            )
             PeriodicTask.objects.get_or_create(
                 interval=schedule,
                 name="check-for-updates",