diff --git a/tools/scripts/phpunit b/tools/scripts/phpunit
index 827cd944841c..4c95b1475b28 100755
--- a/tools/scripts/phpunit
+++ b/tools/scripts/phpunit
@@ -48,7 +48,7 @@ ini_set('include_path',
         . ini_get( 'include_path') );
 
 if (!is_dir("$civi_pkgs_dir/PHPUnit")) {
-  fwrite(STDERR, "PHPUnit is not embedded with this copy of CiviCRM. Perhaps you should use the standalone phpunit command?\n\nExample: \"phpunit tests/phpunit/CRM/Core/RegionTest.php\"\n");
+  fwrite(STDERR, "PHPUnit is not embedded with this copy of CiviCRM (in $civi_pkgs_dir). Perhaps you should use the standalone phpunit command?\n\nExample: \"phpunit tests/phpunit/CRM/Core/RegionTest.php\"\n");
   exit(1);
 }