diff --git a/t/tt_plugin_lite_app.t b/t/tt_plugin_lite_app.t
index 298253f..8c8df8a 100644
--- a/t/tt_plugin_lite_app.t
+++ b/t/tt_plugin_lite_app.t
@@ -6,10 +6,8 @@ use strict;
 use warnings;
 
 BEGIN {
-  #use if $^O ne 'MSWin32', POSIX => qw/setlocale LC_ALL/;
-  #setlocale(&LC_ALL, 'C') if $^O ne 'MSWin32';
   unless($^O eq 'MSWin32') {
-    eval q{
+    eval '# line '. __LINE__ . ' "' . __FILE__ . qq("\n). q{
       use POSIX qw( setlocale LC_ALL );
       setlocale(LC_ALL, 'C');
     };