diff --git a/lib/tasks/gitlab.rake b/lib/tasks/gitlab.rake
index 0e3612bc2..c5b19dfa6 100644
--- a/lib/tasks/gitlab.rake
+++ b/lib/tasks/gitlab.rake
@@ -28,7 +28,7 @@ namespace :gitlab do
 
     task :useless_user => :environment do
       # projects = Project.where(:id => [6286, 6292, 6293, 6294])
-      users = User.where("SELECT * FROM `users` where gid is not null group by gid having count(*)=2")
+      users =  User.find_by_sql("SELECT * FROM `users` where gid is not null group by gid having count(*)=2")
       # users = User.where(:gid => 8823)
       users.each do |user|
         puts "start"+ "#{user.id}"