diff --git a/ba/ba0.cpp b/ba/ba0.cpp
index 93a15af0a..5914b9165 100755
--- a/ba/ba0.cpp
+++ b/ba/ba0.cpp
@@ -1,11 +1,13 @@
 #include <applicat.h>
-#include <colors.h>
+#include <colors.h>  
+#include <config.h>
 #include <execp.h>
 #include <golem.h> 
 #include <mask.h>
 #include <isam.h>
 #include <prefix.h>
 #include <progind.h>
+#include <tabutil.h>
 #include <utility.h>
 #include <urldefid.h>
 
@@ -192,7 +194,19 @@ bool TMenu_application::build_firm_data(long codditta, bool flagcom)
       rec.put(i);
     }
   }
-
+  
+  TConfig c(CONFIG_STUDIO, "cg");
+  
+  if (c.get_bool("StiReg"))
+  {
+    TTable reg("REG");
+    
+    for (reg.first(_lock); reg.good(); reg.next(_lock))
+    {
+      reg.put("B9", "X");
+      reg.rewrite();
+    }
+  }           
   set_firm(codditta);
   set_autoload_new_files(TRUE);
   end_wait();