diff --git a/seminar/migrations/0088_perm_org_a_ucastnik.py b/seminar/migrations/0088_perm_org_a_ucastnik.py
index febcf141..dc76343a 100644
--- a/seminar/migrations/0088_perm_org_a_ucastnik.py
+++ b/seminar/migrations/0088_perm_org_a_ucastnik.py
@@ -22,6 +22,7 @@ def add_perms(apps, schema_editor):
     for org in User.objects.all():
         if org and org.is_staff:
             org.user_permissions.add(org_perm)
+            org.user_permissions.remove(resitel_perm)
 
 
 class Migration(migrations.Migration):