diff --git a/application/controllers/Sales.php b/application/controllers/Sales.php
index 263d718ef..feeafee6c 100644
--- a/application/controllers/Sales.php
+++ b/application/controllers/Sales.php
@@ -205,6 +205,7 @@ class Sales extends Secure_Controller
 		{
 			$this->form_validation->set_rules('amount_tendered', 'lang:sales_amount_tendered', 'trim|required');
 		}
+
 		if($this->form_validation->run() == FALSE)
 		{
 			if($payment_type == $this->lang->line('sales_giftcard'))
diff --git a/database/3.0.2_to_3.1.0.sql b/database/3.0.2_to_3.1.0.sql
index 9fb12e233..d0c6bc35c 100644
--- a/database/3.0.2_to_3.1.0.sql
+++ b/database/3.0.2_to_3.1.0.sql
@@ -286,11 +286,11 @@ ALTER TABLE `ospos_customers_points`
   ADD KEY `sale_id` (`sale_id`),
   ADD CONSTRAINT `ospos_customers_points_ibfk_1` FOREIGN KEY (`person_id`) REFERENCES `ospos_customers` (`person_id`),
   ADD CONSTRAINT `ospos_customers_points_ibfk_2` FOREIGN KEY (`package_id`) REFERENCES `ospos_customers_packages` (`package_id`),
-  ADD CONSTRAINT `ospos_customers_points_ibfk_3` FOREIGN KEY (`sale_id`) REFERENCES `ospos_sales_items` (`sale_id`);
+  ADD CONSTRAINT `ospos_customers_points_ibfk_3` FOREIGN KEY (`sale_id`) REFERENCES `ospos_sales` (`sale_id`);
 
 ALTER TABLE `ospos_sales_reward_points`
   ADD KEY `sale_id` (`sale_id`),
-  ADD CONSTRAINT `ospos_sales_reward_points_ibfk_1` FOREIGN KEY (`sale_id`) REFERENCES `ospos_sales_items` (`sale_id`);
+  ADD CONSTRAINT `ospos_sales_reward_points_ibfk_1` FOREIGN KEY (`sale_id`) REFERENCES `ospos_sales` (`sale_id`);
 
 ALTER TABLE `ospos_customers`
   ADD KEY `package_id` (`package_id`),
diff --git a/database/constraints.sql b/database/constraints.sql
index 0b977960b..f0765e849 100644
--- a/database/constraints.sql
+++ b/database/constraints.sql
@@ -153,10 +153,10 @@ ALTER TABLE `ospos_giftcards`
 ALTER TABLE `ospos_customers_points`
  ADD CONSTRAINT `ospos_customers_points_ibfk_1` FOREIGN KEY (`person_id`) REFERENCES `ospos_customers` (`person_id`),
  ADD CONSTRAINT `ospos_customers_points_ibfk_2` FOREIGN KEY (`package_id`) REFERENCES `ospos_customers_packages` (`package_id`),
- ADD CONSTRAINT `ospos_customers_points_ibfk_3` FOREIGN KEY (`sale_id`) REFERENCES `ospos_sales_items` (`sale_id`);
+ ADD CONSTRAINT `ospos_customers_points_ibfk_3` FOREIGN KEY (`sale_id`) REFERENCES `ospos_sales` (`sale_id`);
 
 --
 -- Constraints for table `ospos_sales_reward_points`
 --
 ALTER TABLE `ospos_sales_reward_points`
- ADD CONSTRAINT `ospos_sales_reward_points_ibfk_1` FOREIGN KEY (`sale_id`) REFERENCES `ospos_sales_items` (`sale_id`);
+ ADD CONSTRAINT `ospos_sales_reward_points_ibfk_1` FOREIGN KEY (`sale_id`) REFERENCES `ospos_sales` (`sale_id`);
diff --git a/database/database.sql b/database/database.sql
index daa2980da..a69a508cb 100644
--- a/database/database.sql
+++ b/database/database.sql
@@ -1104,10 +1104,10 @@ ALTER TABLE `ospos_giftcards`
 ALTER TABLE `ospos_customers_points`
  ADD CONSTRAINT `ospos_customers_points_ibfk_1` FOREIGN KEY (`person_id`) REFERENCES `ospos_customers` (`person_id`),
  ADD CONSTRAINT `ospos_customers_points_ibfk_2` FOREIGN KEY (`package_id`) REFERENCES `ospos_customers_packages` (`package_id`),
- ADD CONSTRAINT `ospos_customers_points_ibfk_3` FOREIGN KEY (`sale_id`) REFERENCES `ospos_sales_items` (`sale_id`);
+ ADD CONSTRAINT `ospos_customers_points_ibfk_3` FOREIGN KEY (`sale_id`) REFERENCES `ospos_sales` (`sale_id`);
 
 --
 -- Constraints for table `ospos_sales_reward_points`
 --
 ALTER TABLE `ospos_sales_reward_points`
- ADD CONSTRAINT `ospos_sales_reward_points_ibfk_1` FOREIGN KEY (`sale_id`) REFERENCES `ospos_sales_items` (`sale_id`);
+ ADD CONSTRAINT `ospos_sales_reward_points_ibfk_1` FOREIGN KEY (`sale_id`) REFERENCES `ospos_sales` (`sale_id`);
diff --git a/database/migrate_phppos_dist.sql b/database/migrate_phppos_dist.sql
index 9587252d6..6a93ac9be 100644
--- a/database/migrate_phppos_dist.sql
+++ b/database/migrate_phppos_dist.sql
@@ -1275,10 +1275,10 @@ ALTER TABLE `ospos_giftcards`
 ALTER TABLE `ospos_customers_points`
  ADD CONSTRAINT `ospos_customers_points_ibfk_1` FOREIGN KEY (`person_id`) REFERENCES `ospos_customers` (`person_id`),
  ADD CONSTRAINT `ospos_customers_points_ibfk_2` FOREIGN KEY (`package_id`) REFERENCES `ospos_customers_packages` (`package_id`),
- ADD CONSTRAINT `ospos_customers_points_ibfk_3` FOREIGN KEY (`sale_id`) REFERENCES `ospos_sales_items` (`sale_id`);
+ ADD CONSTRAINT `ospos_customers_points_ibfk_3` FOREIGN KEY (`sale_id`) REFERENCES `ospos_sales` (`sale_id`);
 
 --
 -- Constraints for table `ospos_sales_reward_points`
 --
 ALTER TABLE `ospos_sales_reward_points`
- ADD CONSTRAINT `ospos_sales_reward_points_ibfk_1` FOREIGN KEY (`sale_id`) REFERENCES `ospos_sales_items` (`sale_id`);
+ ADD CONSTRAINT `ospos_sales_reward_points_ibfk_1` FOREIGN KEY (`sale_id`) REFERENCES `ospos_sales` (`sale_id`);