diff --git a/www/Makefile b/www/Makefile
index 059f3f2c94..58b6c06304 100644
--- a/www/Makefile
+++ b/www/Makefile
@@ -20,6 +20,7 @@ all: $(OBJS)
 	@(cd devcon; $(MAKE))
 	@(cd sh-win; $(MAKE))
 	@(cd download; $(MAKE))
+	@(cd manual; $(MAKE))
 
 main.html: main.t activity.html