diff --git a/makefile b/makefile
--- a/makefile
+++ b/makefile
@@ -98,4 +98,4 @@ arduino_upload: /usr/share/arduino/Ardui
 effect_node_setup: create_virtualenv packages binexec install_python_deps
 
 coffee:
-	coffee -cw light9/web/*.coffee
+	coffee -cw light9/web/{.,timeline}/*.coffee