diff --git a/Makefile b/Makefile
index 3dcc5b3..5ac93f0 100644
--- a/Makefile
+++ b/Makefile
@@ -12,7 +12,6 @@ all: \
 	thirdparty/_dist \
 	message.ml amqp_spec.ml \
 	$(APP).native \
-	web/bootstrap/css/bootstrap.css \
 	webpages
 
 thirdparty/_dist:
@@ -25,7 +24,7 @@ thirdparty/_dist:
 			OCAMLFIND_DESTDIR="$(CURDIR)/$@" \
 				make install))
 
-webpages: $(HTML)
+webpages: $(HTML) web/bootstrap/css/bootstrap.css
 
 web/bootstrap/css/bootstrap.css: web/bootstrap/less/*.less
 	recess --compile web/bootstrap/less/bootstrap.less > $@