diff --git a/app/controllers/my_modules_controller.rb b/app/controllers/my_modules_controller.rb
index 6f45c721a..5861b0854 100644
--- a/app/controllers/my_modules_controller.rb
+++ b/app/controllers/my_modules_controller.rb
@@ -147,7 +147,8 @@ class MyModulesController < ApplicationController
     update_params = my_module_params
     if update_params[:due_date].present?
       update_params[:due_date] = Time.strptime(
-        update_params[:due_date], I18n.backend.date_format.dup.delete('-')
+        update_params[:due_date].delete('-'),
+        I18n.backend.date_format.dup.delete('-')
       )
     end
     @my_module.assign_attributes(update_params)