diff --git a/db/routines/vn/procedures/sale_replaceItem.sql b/db/routines/vn/procedures/sale_replaceItem.sql
index 9a431020b..e50f83b7f 100644
--- a/db/routines/vn/procedures/sale_replaceItem.sql
+++ b/db/routines/vn/procedures/sale_replaceItem.sql
@@ -81,6 +81,10 @@ BEGIN
 		ORDER BY (vQuantity % `grouping`) ASC
 		LIMIT 1;
 
+	IF vNewPrice IS NULL THEN
+		CALL util.throw('price retrieval failed');
+	END IF;
+
 	IF vNewPrice > vOldPrice THEN
 		SET vFinalPrice = vOldPrice;
 		SET vOption = 'substitution';
@@ -103,7 +107,8 @@ BEGIN
 			price)
 		SELECT vTicketFk,
 				vNewItemFk,
-				CEIL(vQuantity / vRoundQuantity) * vRoundQuantity, CONCAT('+ ', i.name),
+				CEIL(vQuantity / vRoundQuantity) * vRoundQuantity,
+				CONCAT('+ ', i.name),
 				vFinalPrice
 			FROM vn.item i
 			WHERE id = vNewItemFk;