diff --git a/example/run-tests.sh b/example/run-tests.sh
index bdc5549..957d8c7 100755
--- a/example/run-tests.sh
+++ b/example/run-tests.sh
@@ -1,6 +1,7 @@
 #!/usr/bin/env bash
+# Copyright 2018-2023 nomennescio
 
 example_dir=$(cd "$(dirname "${BASH_SOURCE[0]}")" ; pwd -P)
 
 cd "$example_dir"
-gforth preloaded.4th solution.4th ../testest.4th tests.4th -e bye
+gforth ../preamble.4th ../testest.4th ../protect.4th preloaded.4th solution.4th ../prepare.4th tests.4th -e bye