diff --git a/ve/ve2400c.uml b/ve/ve2400c.uml
index 4d37346ab..05ae698e5 100755
--- a/ve/ve2400c.uml
+++ b/ve/ve2400c.uml
@@ -5,6 +5,7 @@ PAGE "Pagina 1" 8 5 65 11
 
 STRING FS_CODARTALT 20
 BEGIN
+	FLAGS "U"
   PROMPT 3 2 "Codice alternativo "
   FIELD LF_CODCORR->CODARTALT
   CHECKTYPE REQUIRED