diff --git a/pa/pa0100.cpp b/pa/pa0100.cpp
index 0746c0495..55e2d2ee5 100644
--- a/pa/pa0100.cpp
+++ b/pa/pa0100.cpp
@@ -1,6 +1,7 @@
 #include <applicat.h>
 #include <automask.h>
 #include <execp.h>
+#include <golem.h>
 #include <progind.h>
 #include <utility.h>
 
@@ -1283,10 +1284,17 @@ bool TDoc2Paf::genera_xml()
   else
     cantread_box(tmp);
 
-  tmp = PABASE"/SiaggPACAMPO.jar";
-  const bool good = xvt_sys_goto_url(tmp, "run") != 0;
+  tmp = PABASE"\\SiaggPACAMPO.jar";
+  tmp.make_absolute_path();
+
+  DIRECTORY old_dir; xvt_fsys_get_dir(&old_dir);
+  DIRECTORY new_dir; xvt_fsys_convert_str_to_dir(tmp.path(), &new_dir);
+  xvt_fsys_set_dir(&new_dir);
+  const bool good = goto_url(tmp);
+  xvt_sys_sleep(3000);
+  xvt_fsys_set_dir(&old_dir);
   if (!good)
-    cantread_box(tmp);
+    error_box(FR("Impossibile eseguire Java -jar %s"), (const char*)tmp);
 
   return good;
 }