diff --git a/db/dump/fixtures.before.sql b/db/dump/fixtures.before.sql
index b8094471a..f82f84e59 100644
--- a/db/dump/fixtures.before.sql
+++ b/db/dump/fixtures.before.sql
@@ -1205,11 +1205,11 @@ INSERT INTO `vn`.`saleComponent`(`saleFk`, `componentFk`, `value`)
         (32,    36, -92.324),
         (32,    39, 0.994);
 
-INSERT INTO `vn`.`itemShelving` (`itemFk`, `shelvingFk`, `visible`, `grouping`, `packing`, `userFk`)
+INSERT INTO `vn`.`itemShelving` (`itemFk`, `shelvingFk`, `visible`, `grouping`, `packing`,`buyFk`, `userFk`)
     VALUES
-        (2, 'GVC', 1, 1, 1, 1106),
-        (4, 'HEJ', 1, 1, 1, 1106),
-        (1, 'UXN', 2, 12, 12, 1106);
+        (2, 'GVC', 1, 1, 1, 2,1106),
+        (4, 'HEJ', 1, 1, 1, NULL,1106),
+        (1, 'UXN', 2, 12, 12, NULL,1106);
 
 INSERT INTO `vn`.`itemShelvingSale` (`itemShelvingFk`, `saleFk`, `quantity`, `created`, `userFk`)
     VALUES
diff --git a/db/routines/vn/procedures/itemShelvingTransfer.sql b/db/routines/vn/procedures/itemShelvingTransfer.sql
index 326f8108b..ae82bfe9d 100644
--- a/db/routines/vn/procedures/itemShelvingTransfer.sql
+++ b/db/routines/vn/procedures/itemShelvingTransfer.sql
@@ -17,13 +17,15 @@ BEGIN
 				SELECT
 					itemFk,
 					packing,
-					created
+					created,
+					buyFk
 					FROM itemShelving
 					WHERE id = vItemShelvingFk
 			) ish2
 				ON ish2.itemFk = ish.itemFk
 				AND ish2.packing = ish.packing
 				AND date(ish2.created) = date(ish.created)
+				AND ish2.buyFk = ish.buyFk
 		WHERE ish.shelvingFk = vShelvingFk COLLATE utf8_unicode_ci;
 
 	IF vNewItemShelvingFk THEN
diff --git a/db/routines/vn/procedures/itemShelving_add.sql b/db/routines/vn/procedures/itemShelving_add.sql
index d3e0f6a90..9395f5d80 100644
--- a/db/routines/vn/procedures/itemShelving_add.sql
+++ b/db/routines/vn/procedures/itemShelving_add.sql
@@ -2,7 +2,6 @@ DELIMITER $$
 CREATE OR REPLACE DEFINER=`root`@`localhost` PROCEDURE `vn`.`itemShelving_add`(IN vShelvingFk VARCHAR(8), IN vBarcode VARCHAR(22), IN vQuantity INT, IN vPackagingFk VARCHAR(10), IN vGrouping INT, IN vPacking INT, IN vWarehouseFk INT)
 BEGIN
 
-
 /**
  * Añade registro o lo actualiza si ya existe.
  *
@@ -15,11 +14,23 @@ BEGIN
  * @param vWarehouseFk indica el sector
  *
  **/
-
 	DECLARE vItemFk INT;
+	DECLARE vBuyFk INT;
+
+	SELECT id INTO vBuyFk 
+		FROM buy WHERE id = vBarcode;
 
 	SELECT barcodeToItem(vBarcode) INTO vItemFk;
 
+	IF vBuyFk IS NULL THEN
+		CALL cache.last_buy_refresh(FALSE);
+	
+		SELECT buy_id INTO vBuyFk
+			FROM cache.last_buy 
+			WHERE item_id = vItemFk 
+				AND warehouse_id = vWarehouseFk;
+	END IF;
+
 	IF vPacking IS NULL
 	THEN
 		SET vPacking = itemPacking(vBarcode, vWarehouseFk);
@@ -29,31 +40,32 @@ BEGIN
 	IF (SELECT COUNT(*) FROM itemShelving
 			WHERE shelvingFk COLLATE utf8_unicode_ci  = vShelvingFk
 				AND itemFk  = vItemFk
-				AND packing  = vPacking) = 1 THEN
+				AND packing  = vPacking
+				AND buyFk = vBuyFk) THEN
 
 		UPDATE itemShelving
-			SET visible = visible+vQuantity
+			SET visible = visible + vQuantity
 			WHERE shelvingFk COLLATE utf8_unicode_ci = vShelvingFk AND itemFk = vItemFk AND packing = vPacking;
 
 	ELSE
-		CALL cache.last_buy_refresh(FALSE);
-		INSERT INTO itemShelving(   itemFk,
-                                    shelvingFk,
-                                    visible,
-                                    grouping,
-                                    packing,
-                                    packagingFk)
 
-		SELECT  vItemFk,
-                vShelvingFk,
-                vQuantity,
-                IFNULL(vGrouping, b.grouping),
-                IFNULL(vPacking, b.packing),
-                IFNULL(vPackagingFk, b.packagingFk)
-            FROM item i
-				LEFT JOIN cache.last_buy lb ON i.id = lb.item_id AND lb.warehouse_id = vWarehouseFk
-				LEFT JOIN buy b ON b.id = lb.buy_id
-			WHERE i.id = vItemFk;
+		INSERT INTO itemShelving(
+					itemFk,
+					shelvingFk,
+					visible,
+					grouping,
+					packing,
+					packagingFk,
+					buyFk)
+			SELECT vItemFk,
+					vShelvingFk,
+					vQuantity,
+					IFNULL(vGrouping, b.grouping),
+					IFNULL(vPacking, b.packing),
+					IFNULL(vPackagingFk, b.packagingFk),
+					id
+				FROM buy b
+				WHERE id = vBuyFk;
 	END IF;
 END$$
 DELIMITER ;