diff --git a/ba/bacnv.cpp b/ba/bacnv.cpp
index 5472ea455..6f3cd3cef 100755
--- a/ba/bacnv.cpp
+++ b/ba/bacnv.cpp
@@ -308,9 +308,11 @@ bool TConversione_archivi::menu(MENU_TAG)
     break;
   case 13:
     if (_codditta == 0)
+    {
       convert_enti_m770();
       convert_caaf_m770();
       convert_rver_m770();
+    }
     break;
   default:
     break;  
diff --git a/ba/fconv.ini b/ba/fconv.ini
index ce1d4be9f..8395aec4e 100755
--- a/ba/fconv.ini
+++ b/ba/fconv.ini
@@ -20,5 +20,7 @@ ACNV(5)=bacnv 10
 ACNV(4)=bacnv 11 
 [199512]
 ACNV(50)=bacnv 12 
+[199513]
+ACNV(4)=bacnv 13
 [EOF]