diff --git a/db/routines/vn/procedures/item_getMinacum.sql b/db/routines/vn/procedures/item_getMinacum.sql
index c0bdb7e7da..2b51355d5b 100644
--- a/db/routines/vn/procedures/item_getMinacum.sql
+++ b/db/routines/vn/procedures/item_getMinacum.sql
@@ -34,7 +34,7 @@ BEGIN
 						JOIN ticket t ON t.id = s.ticketFk
 					WHERE t.shipped BETWEEN vDated AND vDatedTo
 						AND t.warehouseFk
-						AND s.quantity != 0
+						AND s.quantity <> 0
 						AND (vItemFk IS NULL OR s.itemFk = vItemFk)
 						AND (vWarehouseFk IS NULL OR t.warehouseFk = vWarehouseFk)
 				UNION ALL
@@ -93,7 +93,7 @@ BEGIN
 				i.warehouseFk,
 				i.quantity amount
 			FROM tmp.itemAtp i
-			HAVING amount != 0;
+			HAVING amount <> 0;
 
 	DROP TEMPORARY TABLE
 		tmp.itemAtp,