diff --git a/html/admin/sql/patch/upgrade27.sql b/html/admin/sql/patch/upgrade27.sql
index 9b2b4e116..1745a8995 100644
--- a/html/admin/sql/patch/upgrade27.sql
+++ b/html/admin/sql/patch/upgrade27.sql
@@ -1,5 +1,6 @@
 begin;
 
 insert into format_csv_banque values ('Dexia','dexia_be.inc.php');
+alter table stock_goods alter sg_quantity type numeric(8,4);	
 update version set val=28;
 commit;
\ No newline at end of file