diff --git a/app/models/inbox.rb b/app/models/inbox.rb
index f847aa64..ee9fd450 100644
--- a/app/models/inbox.rb
+++ b/app/models/inbox.rb
@@ -1,4 +1,4 @@
 class Inbox < ActiveRecord::Base
   belongs_to :user
-  has_one :question
+  belongs_to :question
 end