--- a/tools/test_mutants.sh.lua	Fri Feb 23 12:14:51 2024 +0000
+++ b/tools/test_mutants.sh.lua	Fri Feb 23 12:16:03 2024 +0000
@@ -33,7 +33,7 @@
 	exit 1;
 fi
 
-if ! busted "$SPEC_FILE"; then
+if ! busted --helper=loader "$SPEC_FILE"; then
 	echo "EE: Tests fail on original source. Fix it"\!;
 	exit 1;
 fi