diff --git a/ba/ba0.cpp b/ba/ba0.cpp
index 30f526292..23e559656 100755
--- a/ba/ba0.cpp
+++ b/ba/ba0.cpp
@@ -1546,17 +1546,20 @@ int main(int argc, char** argv)
     user() = u;
   }
 
-  TFilename menu = (argc < 2) ? "prassi.men" : argv[1];
-  TString16 ext = menu.ext(); ext.upper();
+  TFilename menu = (argc < 2) ? "baprassi.men" : argv[1];
+  TString ext = menu.ext(); ext.lower();
   
-  if (ext == "MEN" && !fexist(menu)) 
+  if (ext == "men" && !fexist(menu)) 
      ext.cut(0);
   
-  if (ext != "MEN")
+  if (ext != "men")
   {       
     if (ext.empty())      
       menu.ext("mnu");
-    TFilename newmenu(menu); newmenu.ext("men");
+    TFilename newmenu(menu); 
+    newmenu.ext("men");
+    if (newmenu == "prassi.men")
+      newmenu == "baprassi.men";
     if (fexist(menu) && !fexist(newmenu))
       convert(menu);
     menu = newmenu;