diff --git a/app/models/user.rb b/app/models/user.rb
index 96db9c8ce24..49888a00585 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -240,6 +240,7 @@ class User < ActiveRecord::Base
   def self.order_by_sortable_name(options = {})
     order_clause = clause = sortable_name_order_by_clause
     order_clause = "#{clause} DESC" if options[:direction] == :descending
+    order_clause += ",users.id"
     scope = self.order(order_clause)
     if scope.select_values.empty?
       scope = scope.select(self.arel_table[Arel.star])
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index d9aa10c420e..8e0f7377499 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -2123,6 +2123,11 @@ describe User do
       expect(User.sortable_name_order_by_clause).not_to match(/'es'/)
       expect(User.sortable_name_order_by_clause).to match(/'root'/)
     end
+
+    it "breaks ties with user id" do
+      ids = 5.times.map { User.create!(:name => "Abcde").id }.sort
+      expect(User.order_by_sortable_name.where(id: ids).map(&:id)).to eq(ids)
+    end
   end
 
   describe "quota" do