diff --git a/hakyll-bootstrap/Makefile b/hakyll-bootstrap/Makefile
index b340d2be65c31185470d398999f423d78ae98ae2..50060005b134893a51c507f65534fb6aa00dc34e 100644
--- a/hakyll-bootstrap/Makefile
+++ b/hakyll-bootstrap/Makefile
@@ -1,10 +1,10 @@
-watch: build
+watch: build 
 	stack exec blog --allow-different-user -- watch
 
 deploy: build 
 	stack exec blog -- deploy
 
-build: Main.hs cours/math_tech_info/*.md cours/isc_physics/*.md
+build: update Main.hs cours/math_tech_info/*.md cours/isc_physics/*.md
 	make hakyll_gen -C cours/math_tech_info
 	make hakyll_gen -C cours/isc_physics
 	make -C cours/math_tech_info