diff --git a/lib/sync_ntnu_personal_data/engine.rb b/lib/sync_ntnu_personal_data/engine.rb
index cff5d91..03d8d2b 100644
--- a/lib/sync_ntnu_personal_data/engine.rb
+++ b/lib/sync_ntnu_personal_data/engine.rb
@@ -1,3 +1,5 @@
+require 'tiny_tds'
+
 module SyncNtnuPersonalData
   class Engine < ::Rails::Engine
   end