diff --git a/src/fellchensammlung/templates/fellchensammlung/misc/deactivate-an.html b/src/fellchensammlung/templates/fellchensammlung/misc/deactivate-an.html
index c65d116..feeb03a 100644
--- a/src/fellchensammlung/templates/fellchensammlung/misc/deactivate-an.html
+++ b/src/fellchensammlung/templates/fellchensammlung/misc/deactivate-an.html
@@ -11,12 +11,12 @@
             <div class="control">
                 <div class="select">
                     <select id="reason_for_closing" name="reason_for_closing">
-                        <option value="successful_with_notfellchen">{% translate 'Vermittelt mit Hilfe von Notfellchen' %}</option>
-                        <option value="successful_without_notfellchen">{% translate 'Vermittelt ohne Hilfe von Notfellchen' %}</option>
+                        <option value="closed_successful_with_notfellchen">{% translate 'Vermittelt mit Hilfe von Notfellchen' %}</option>
+                        <option value="closed_successful_without_notfellchen">{% translate 'Vermittelt ohne Hilfe von Notfellchen' %}</option>
                         <option value="closed_for_other_adoption_notice">{% translate 'Vermittlung zugunsten einer anderen geschlossen' %}</option>
-                        <option value="not_open_for_adoption_anymore">{% translate 'Nicht mehr zu vermitteln (z.B. aufgrund von Krankheit)' %}</option>
-                        <option value="animal_died">{% translate 'Tod des Tiers' %}</option>
-                        <option value="other">{% translate 'Anderer Grund' %}</option>
+                        <option value="closed_not_open_for_adoption_anymore">{% translate 'Nicht mehr zu vermitteln (z.B. aufgrund von Krankheit)' %}</option>
+                        <option value="closed_animal_died">{% translate 'Tod des Tiers' %}</option>
+                        <option value="closed_other">{% translate 'Anderer Grund' %}</option>
                     </select>
                 </div>
             </div>
diff --git a/src/fellchensammlung/views.py b/src/fellchensammlung/views.py
index 6fb8b2e..7fa068a 100644
--- a/src/fellchensammlung/views.py
+++ b/src/fellchensammlung/views.py
@@ -929,7 +929,7 @@ def deactivate_an(request, adoption_notice_id):
     adoption_notice = get_object_or_404(AdoptionNotice, pk=adoption_notice_id)
     if request.method == "POST":
         reason_for_closing = request.POST.get("reason_for_closing")
-        if reason_for_closing not in AdoptionNoticeStatusChoices.Closed.choices:
+        if reason_for_closing not in AdoptionNoticeStatusChoices.Closed.values:
             return render(request, "fellchensammlung/errors/403.html", status=403)
         adoption_notice.adoption_notice_status = reason_for_closing
         adoption_notice.save()