diff --git a/lib/tasks/sync_ntnu_personal_data_tasks.rake b/lib/tasks/sync_ntnu_personal_data_tasks.rake
index 6f1b937..b96e45d 100644
--- a/lib/tasks/sync_ntnu_personal_data_tasks.rake
+++ b/lib/tasks/sync_ntnu_personal_data_tasks.rake
@@ -33,7 +33,7 @@ module NtnuSyncPlugin
       end
 
       jp.publication_date = "#{publication_year}/#{publication_month}/01"
-      jp.member_profile_id = user.member_profile_id
+      jp.member_profile_id = [user.member_profile_id]
       puts "journal paper #{jp.id} saved" if jp.save
     end
   end