diff --git a/HowtoMunin.md b/HowtoMunin.md
index 12ebecff..5f3b5dc4 100644
--- a/HowtoMunin.md
+++ b/HowtoMunin.md
@@ -155,9 +155,15 @@ location ^~ /munin-cgi/munin-cgi-graph/ {
 
 ### Avec Apache
 
-Installer `libapache2-mod-fcgid` puis ajouter au vhost :
+Installer `libapache2-mod-fcgid` (attention apt redémarre Apache !), puis ajouter au vhost :
 
 ~~~{.apache}
+# Munin. We need to set Directory directive as Alias take precedence.
+Alias /munin /var/cache/munin/www
+<Directory /var/cache/munin/>
+    Require all denied
+    Include /etc/apache2/ipaddr_whitelist.conf
+</Directory>
 # Munin cgi
 # Ensure we can run (fast)cgi scripts
 ScriptAlias /munin-cgi/munin-cgi-graph /usr/lib/munin/cgi/munin-cgi-graph