diff --git a/Makefile b/Makefile
index be66ed9..7c5368c 100644
--- a/Makefile
+++ b/Makefile
@@ -8,11 +8,15 @@ all: lisp
 help:
 	$(info make all          - generate byte-code and autoloads)
 	$(info make lisp         - generate byte-code and autoloads)
+	$(info make redo         - re-generate byte-code and autoloads)
 	$(info make test         - run tests)
 	$(info make demo         - run tests showing their documentation)
 	$(info make clean        - remove generated files)
 	@printf "\n"
 
+redo: clean $(ELCS) loaddefs check-declare
+	@$(MAKE) -C test lisp
+
 lisp: $(ELCS) loaddefs check-declare
 	@$(MAKE) -C test lisp