diff --git a/db/routines/vn/procedures/itemProposal.sql b/db/routines/vn/procedures/itemProposal.sql
index eb8a7ab33..0dc04124d 100644
--- a/db/routines/vn/procedures/itemProposal.sql
+++ b/db/routines/vn/procedures/itemProposal.sql
@@ -18,12 +18,19 @@ BEGIN
 	DECLARE vCalcFk INT;
 	DECLARE vTypeFk INT;
 	DECLARE vPriority INT DEFAULT 1;
+	DECLARE EXIT HANDLER FOR SQLEXCEPTION
+	BEGIN
+		ROLLBACK;
+		RESIGNAL;
+	END;
 
 	SELECT warehouseFk, shipped
 		INTO vWarehouseFk, vShipped
 		FROM ticket
 		WHERE id = vTicketFk;
 
+	START TRANSACTION;
+
 	CALL cache.available_refresh(vCalcFk, FALSE, vWarehouseFk, vShipped);
 
 	WITH itemTags AS (
@@ -92,5 +99,6 @@ BEGIN
 			match7 DESC,
 			(i.tag8 = its.tag8) DESC,
 			match8 DESC;
+	COMMIT;
 END$$
 DELIMITER ;