diff --git a/HACKING b/HACKING
index 8b7e0f29..66b7b013 100644
--- a/HACKING
+++ b/HACKING
@@ -13,10 +13,10 @@
   4. mlib.c: Minimal Mescc C library
      4a. scaffold/hello.c: Simplest C program, compiled with 5.
      4b. scaffold/micro-mes.c: main of 3. (2nd Scheme interpreter) + mlib.c
-     4x. *we are here, any more steps to reach 5*
-     rm -f a.out; MES_DEBUG=1 scripts/mescc.mes scaffold/micro-mes.c > a.out
      4c. scaffold/cons-mes.c: run simple hardcoded sexp
      4d. scaffold/tiny-mes.c: load memory dump, run simple sexp
+     4x. *we are here, any more steps to reach 5*
+     rm -f a.out; MES_DEBUG=1 scripts/mescc.mes scaffold/tiny-mes.c > a.out
      4e. scaffold/t.c: run c test suite with scripts/mescc.mes
   5. scripts/mescc.mes: C compiler on mes, that can build mini-mes
      5a. remove __MESC__/__NYAC__ C workarounds in gc.c