diff --git a/app/controllers/experiments_controller.rb b/app/controllers/experiments_controller.rb
index cba004713..1f4e92274 100644
--- a/app/controllers/experiments_controller.rb
+++ b/app/controllers/experiments_controller.rb
@@ -607,9 +607,9 @@ class ExperimentsController < ApplicationController
   def sort_my_modules(records, sort)
     case sort
     when 'due_first'
-      records.order(:due_date)
+      records.order(:due_date, :name)
     when 'due_last'
-      records.order(Arel.sql("COALESCE(due_date, DATE '1900-01-01') DESC"))
+      records.order(Arel.sql("COALESCE(due_date, DATE '2100-01-01') DESC"), :name)
     when 'atoz'
       records.order(:name)
     when 'ztoa'
diff --git a/app/services/experiments/table_view_service.rb b/app/services/experiments/table_view_service.rb
index fddfba067..e355efa89 100644
--- a/app/services/experiments/table_view_service.rb
+++ b/app/services/experiments/table_view_service.rb
@@ -225,9 +225,9 @@ module Experiments
     def sort_records(records)
       case @sort
       when 'due_first'
-        records.order(:due_date)
+        records.order(:due_date, :name)
       when 'due_last'
-        records.order(Arel.sql("COALESCE(due_date, DATE '1900-01-01') DESC"))
+        records.order(Arel.sql("COALESCE(due_date, DATE '2100-01-01') DESC"), :name)
       when 'atoz'
         records.order(:name)
       when 'ztoa'