diff --git a/app/models/project.rb b/app/models/project.rb
index 8b1f2f456..19108b2a3 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -438,8 +438,8 @@ class Project < ActiveRecord::Base
       Tracker.
         joins(:projects).
         joins("JOIN #{EnabledModule.table_name} ON #{EnabledModule.table_name}.project_id = #{Project.table_name}.id AND #{EnabledModule.table_name}.name = 'issue_tracking'").
-        select("DISTINCT #{Tracker.table_name}.*").
-        where("#{Project.table_name}.lft >= ? AND #{Project.table_name}.rgt <= ? AND #{Project.table_name}.status <> #{STATUS_ARCHIVED}", lft, rgt).
+        where("#{Project.table_name}.lft >= ? AND #{Project.table_name}.rgt <= ? AND #{Project.table_name}.status <> ?", lft, rgt, STATUS_ARCHIVED).
+        uniq.
         sorted.
         to_a
   end