diff --git a/tests/sample.sql b/tests/sample.sql
index eb0c68fe9e..a17e81fcd8 100755
--- a/tests/sample.sql
+++ b/tests/sample.sql
@@ -7925,7 +7925,7 @@ insert  into `products`(`productCode`,`productName`,`productLine`,`productScale`
 ('S72_3212','Pont Yacht','Ships','1:72','Unimax Art Galleries','Measures 38 inches Long x 33 3/4 inches High. Includes a stand.\r\nMany extras including rigging, long boats, pilot house, anchors, etc. Comes with 2 masts, all square-rigged',414,'33.30','54.60');
 
 DELIMITER //
-CREATE PROCEDURE Set_credit_limit(IN customerNumber INT(11) NOT NULL, IN creditLimit decimal(10,2))
+CREATE PROCEDURE Set_credit_limit(IN customerNumber INT(11), IN creditLimit decimal(10,2))
 BEGIN
   UPDATE `customers` c SET c.`creditLimit` = creditLimit WHERE c.`customerNumber` = customerNumber;
 END //