diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c
index 737205702e3d..3f5a256631ca 100644
--- a/tools/testing/selftests/nolibc/nolibc-test.c
+++ b/tools/testing/selftests/nolibc/nolibc-test.c
@@ -151,7 +151,8 @@ static void result(int llen, enum RESULT r)
 	else
 		msg = "[FAIL]";
 
-	putcharn(' ', 64 - llen);
+	if (llen < 64)
+		putcharn(' ', 64 - llen);
 	puts(msg);
 }