diff --git a/ve/ve1300.cpp b/ve/ve1300.cpp
index 7a4861d6f..c604f43cf 100755
--- a/ve/ve1300.cpp
+++ b/ve/ve1300.cpp
@@ -837,7 +837,7 @@ class TReport_doc_app : public TSkeleton_application
 	TTipi_documento_cache _tipi_cache;
 
   int _anno;
-  TString4 _codnum;
+  TString16 _codnum; // codice numerazione / profilo
   long _ndoc, _codcf;
 	char _tipocf;