diff --git a/lib/invites_repo.rb b/lib/invites_repo.rb
index eb12a77ffd1d37ded2ded5ee1f3ac3b41ee426c1..0578493641c4a79703258b9b0288dad9dd666609 100644
--- a/lib/invites_repo.rb
+++ b/lib/invites_repo.rb
@@ -18,7 +18,7 @@ class InvitesRepo
 		@trust_level_repo.find(customer).then { |tl|
 			next [] unless tl.invite?
 
-			@db.query_defer(<<~SQL, [customer_id])
+			@db.query_defer(<<~SQL, [customer.customer_id])
 				SELECT code FROM unused_invites WHERE creator_id=$1
 			SQL
 		}.then { |result| result.map { |row| row["code"] } }