diff --git a/db/routines/vn/procedures/absoluteInventoryHistory.sql b/db/routines/vn/procedures/absoluteInventoryHistory.sql
index a1e143185..7dce6e252 100644
--- a/db/routines/vn/procedures/absoluteInventoryHistory.sql
+++ b/db/routines/vn/procedures/absoluteInventoryHistory.sql
@@ -1,6 +1,9 @@
 DELIMITER $$
 CREATE OR REPLACE DEFINER=`root`@`localhost` PROCEDURE `vn`.`absoluteInventoryHistory`(
-	vItemFk INT, vWarehouse INT, vDate DATETIME)
+	vItemFk INT,
+	vWarehouseFk INT,
+	vDate DATETIME
+)
 BEGIN
 /**
 * Calcula y proporciona un historial de inventario absoluto
@@ -8,13 +11,11 @@ BEGIN
 * hasta una fecha determinada.
 *
 * @param vItemFk Id de artículo
-* @param vWarehouse Almacén
+* @param vWarehouseFk Id de almacén
 * @param vDate Fecha
 */
 	DECLARE vCalculatedInventory INT;
-	DECLARE vToday DATETIME;
-	
-	SET vToday = util.VN_CURDATE();
+	DECLARE vToday DATETIME DEFAULT util.VN_CURDATE();
 
 	CREATE OR REPLACE TEMPORARY TABLE tHistoricalPast
 		ENGINE = MEMORY
@@ -23,7 +24,7 @@ BEGIN
 				SELECT tr.landed `date`,
 						b.quantity input,
 						NULL `output`,
-						(tr.isReceived != FALSE) ok,
+						tr.isReceived ok,
 						s.name alias,
 						e.invoiceNumber reference,
 						e.id id,
@@ -34,7 +35,7 @@ BEGIN
 						JOIN supplier s ON s.id = e.supplierFk
 					WHERE tr.landed >= '2001-01-01'
 						AND s.id <> 4
-						AND vWarehouse IN (tr.warehouseInFk, 0)
+						AND vWarehouseFk IN (tr.warehouseInFk, 0)
 						AND b.itemFk = vItemFk
 						AND NOT e.isExcludedFromAvailable
 						AND NOT e.isRaid
@@ -52,7 +53,7 @@ BEGIN
 						JOIN travel tr ON tr.id = e.travelFk
 						JOIN supplier s ON s.id = e.supplierFk
 					WHERE tr.shipped >= '2001-01-01'
-						AND vWarehouse = tr.warehouseOutFk
+						AND vWarehouseFk = tr.warehouseOutFk
 						AND s.id <> 4
 						AND b.itemFk = vItemFk
 						AND NOT e.isExcludedFromAvailable
@@ -61,7 +62,7 @@ BEGIN
 				SELECT t.shipped `date`,
 						NULL input,
 						m.quantity `output`,
-						(m.isPicked <> 0 OR t.isLabeled <> 0 OR t.refFk IS NOT NULL) ok,
+						(m.isPicked OR t.isLabeled OR t.refFk IS NOT NULL) ok,
 						t.nickname alias,
 						t.refFk reference,
 						t.id,
@@ -71,16 +72,16 @@ BEGIN
 						JOIN client c ON c.id = t.clientFk
 					WHERE t.shipped >= '2001-01-01'
 						AND m.itemFk = vItemFk
-						AND vWarehouse IN (t.warehouseFk , 0)
+						AND vWarehouseFk IN (t.warehouseFk , 0)
 			) t1
 			ORDER BY `date`, input DESC, ok DESC;
 
-	SELECT sum(input) - sum(`output`) INTO vCalculatedInventory
+	SELECT SUM(input) - SUM(`output`) INTO vCalculatedInventory
 		FROM tHistoricalPast
 			WHERE `date` < vDate;
 
 	SELECT p1.*, NULL v_virtual 
-		FROM(
+		FROM (
 			SELECT vDate `date`,
 				vCalculatedInventory input,
 				NULL `output`,
diff --git a/db/routines/vn/procedures/multipleInventoryHistory.sql b/db/routines/vn/procedures/multipleInventoryHistory.sql
index b15cab549..ec151a6ff 100644
--- a/db/routines/vn/procedures/multipleInventoryHistory.sql
+++ b/db/routines/vn/procedures/multipleInventoryHistory.sql
@@ -29,16 +29,16 @@ BEGIN
 				c.quantity input,
 				NULL `output`,
 				IF(warehouseInFk = 44, 1, warehouseInFk) warehouse,
-				(tr.isReceived <> FALSE) ok,
+				tr.isReceived ok,
 				e.invoiceNumber reference,
-				e.id id
+				e.id
 				FROM buy c
 					JOIN `entry` e ON e.id = c.entryFk
 					JOIN travel tr ON tr.id = e.travelFk
 				WHERE tr.landed >= vDateInventory
 					AND c.itemFk = vItemFk
 					AND NOT e.isRaid
-					AND c.quantity <> 0
+					AND c.quantity
 			UNION ALL
 			SELECT tr.shipped `date`,
 				NULL input,
@@ -46,20 +46,20 @@ BEGIN
 				tr.warehouseOutFk warehouse,
 				tr.isDelivered ok,
 				e.invoiceNumber reference,
-				e.id id
+				e.id
 				FROM buy c
 					JOIN `entry` e ON e.id = c.entryFk
 					JOIN travel tr ON tr.id = e.travelFk
 				WHERE tr.shipped >= vDateInventory
 					AND c.itemFk = vItemFk
 					AND NOT e.isRaid
-					AND c.quantity <> 0
+					AND c.quantity
 			UNION ALL
 			SELECT t.shipped `date`,
 				NULL input,
 				m.quantity `output`,
 				tr.warehouseInFk warehouse,
-				(m.isPicked <> 0 OR t.isLabeled <> 0 OR t.refFk IS NOT NULL) ok,
+				(m.isPicked OR t.isLabeled OR t.refFk IS NOT NULL) ok,
 				t.refFk reference,
 				t.id id
 				FROM sale m
@@ -70,13 +70,8 @@ BEGIN
 			JOIN warehouse ON warehouse.id = history.warehouse
 			ORDER BY `date`, input DESC, ok DESC;
 
-	DROP TEMPORARY TABLE IF EXISTS tMultipleHistory2;
-	DROP TEMPORARY TABLE IF EXISTS tMultipleHistory3;
-	DROP TEMPORARY TABLE IF EXISTS tMultipleHistory4;
-	DROP TEMPORARY TABLE IF EXISTS tMultipleHistory5;
-	DROP TEMPORARY TABLE IF EXISTS tMultipleHistory6;
-	DROP TEMPORARY TABLE IF EXISTS tMultipleHistory7;
-	DROP TEMPORARY TABLE IF EXISTS tMultipleHistory8;
+	DROP TEMPORARY TABLE IF EXISTS tMultipleHistory2, tMultipleHistory3,
+		tMultipleHistory4, tMultipleHistory5, tMultipleHistory6, tMultipleHistory7, tMultipleHistory8;
 	CREATE TEMPORARY TABLE tMultipleHistory2 SELECT * FROM tMultipleHistory1 WHERE warehouse = 19;
 	CREATE TEMPORARY TABLE tMultipleHistory3 SELECT * FROM tMultipleHistory1 WHERE warehouse = 7;
 	CREATE TEMPORARY TABLE tMultipleHistory4 SELECT * FROM tMultipleHistory1 WHERE warehouse = 60;
@@ -156,6 +151,7 @@ BEGIN
 			input, `output`, ok, reference, id
 				FROM tMultipleHistory8
 		) sub
-		ORDER BY `date`, BOGinput IS NULL, VNHinput IS NULL, ALGinput IS NULL, MADinput IS NULL, MCFinput IS NULL, VILinput IS NULL, BARinput IS NULL;
+		ORDER BY `date`, BOGinput IS NULL, VNHinput IS NULL, ALGinput IS NULL,
+			MADinput IS NULL, MCFinput IS NULL, VILinput IS NULL, BARinput IS NULL;
 END$$
 DELIMITER ;
\ No newline at end of file