diff --git a/db/seeds/development/event_kinds.rb b/db/seeds/development/event_kinds.rb
index 4a9bc9d46..2ddafa5f6 100644
--- a/db/seeds/development/event_kinds.rb
+++ b/db/seeds/development/event_kinds.rb
@@ -39,7 +39,7 @@
 
 event_kinds = Event::Kind.seed(:id,
  {id: 1,
-  minimum_age: 13, kurs_id_fiver: '1', vereinbarungs_id_fiver: '1' },
+  minimum_age: 13, kurs_id_fiver: '1', vereinbarungs_id_fiver: '1', validate_course_number: false },
 
  {id: 2,
   minimum_age: 17, kurs_id_fiver: '2', vereinbarungs_id_fiver: '2' },