diff --git a/include/about.cpp b/include/about.cpp
index 97cfe2e8c..fb44bf742 100755
--- a/include/about.cpp
+++ b/include/about.cpp
@@ -290,10 +290,16 @@ TInfo_mask::TInfo_mask() : TProperty_sheet(TR("Informazioni"))
   if (main_app().get_version_info(year, release, tag, patch))
 		versione.format("%d.%02d.%02d Patch %d", year, release, tag, patch);
 
-  const time_t mtime = xvt_fsys_file_attr(main_app().argv(0), XVT_FILE_ATTR_MTIME);
-  const struct tm* data = localtime(&mtime);
-  TString16 datamod; datamod.format("%02d-%02d-%04d", data->tm_mday, data->tm_mon+1, data->tm_year+1900);
-
+  TString16 datamod;
+  TFilename cmdline = main_app().argv(0);
+  cmdline.ext("exe");
+  if (cmdline.exist())
+  {
+    const time_t mtime = xvt_fsys_file_attr(cmdline, XVT_FILE_ATTR_MTIME);
+    const struct tm* data = localtime(&mtime);
+    if (data != NULL)
+      datamod.format("%02d-%02d-%04d", data->tm_mday, data->tm_mon+1, data->tm_year+1900);
+  }
   TString80 stros, strwx, strcpu;
   xvt_sys_get_version(stros.get_buffer(), strwx.get_buffer(), stros.size());
   xvt_sys_get_host_name(strcpu.get_buffer(), strcpu.size());