diff --git a/db/routines/vn/procedures/balance_create.sql b/db/routines/vn/procedures/balance_create.sql
index 40a8b020c2..a3175c514c 100644
--- a/db/routines/vn/procedures/balance_create.sql
+++ b/db/routines/vn/procedures/balance_create.sql
@@ -69,9 +69,9 @@ BEGIN
 		SELECT id companyFk
 			FROM supplier p;
 
-		IF vInterGroupSalesIncluded = FALSE THEN
+		IF NOT vInterGroupSalesIncluded THEN
 
-			DELETE ci.*
+			DELETE ci.
 				FROM tCompanyIssuing ci
 					JOIN company e on e.id = ci.companyFk
 				WHERE e.companyGroupFk = vConsolidatedGroup;
@@ -130,13 +130,9 @@ BEGIN
 	-- Añadimos los gastos, para facilitar el formulario
 	UPDATE tmp.balance b
 			JOIN balanceNestTree bnt on bnt.id = b.id
-			JOIN (
-				SELECT id, name
-					FROM expense
-					GROUP BY id
-				) g ON g.id = bnt.expenseFk COLLATE utf8_general_ci
-		SET b.expenseFk = g.id COLLATE utf8_general_ci,
-			b.expenseName = g.name COLLATE utf8_general_ci ;
+			JOIN expense e ON e.id = bnt.expenseFk COLLATE utf8_general_ci
+		SET b.expenseFk = e.id COLLATE utf8_general_ci,
+			b.expenseName = e.name COLLATE utf8_general_ci ;
 
 	-- Rellenamos los valores de primer nivel, los que corresponden 
 	-- a los gastos simples.
@@ -182,13 +178,13 @@ BEGIN
 	-- Ventas intra grupo.
 	IF NOT vInterGroupSalesIncluded THEN
 
-		SELECT lft, rgt INTO @grupoLft, @grupoRgt
+		SELECT lft, rgt INTO @groupLft, @groupRgt
 			FROM tmp.balance b
 			WHERE TRIM(b.`name`) = 'Grupo';
 
 		DELETE
 			FROM tmp.balance
-			WHERE lft BETWEEN @grupoLft AND @grupoRgt;
+			WHERE lft BETWEEN @groupLft AND @groupRgt;
 
 	END IF;