X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/be40536440b8677323bcf30bc2b869e36f907dd9..b4be5596f5553c29831a01bd3f8cce14c5435156:/app/models/diary_entry_subscription.rb

diff --git a/app/models/diary_entry_subscription.rb b/app/models/diary_entry_subscription.rb
index b0a563ea8..8b96f6074 100644
--- a/app/models/diary_entry_subscription.rb
+++ b/app/models/diary_entry_subscription.rb
@@ -1,4 +1,6 @@
 class DiaryEntrySubscription < ActiveRecord::Base
+  self.primary_keys = "user_id", "diary_entry_id"
+
   belongs_to :user
   belongs_to :diary_entry
 end