diff --git a/examples/cluster-httpd/httpd.conf b/examples/cluster-httpd/httpd.conf
index aa1f2b1649..f8ef57bd8d 100644
--- a/examples/cluster-httpd/httpd.conf
+++ b/examples/cluster-httpd/httpd.conf
@@ -51,4 +51,4 @@ RewriteRule /(.*) balancer://nodes_ws/$1 [P,L]
 RewriteCond %{HTTP:Upgrade} !=websocket [NC]
 RewriteRule /(.*) balancer://nodes_polling/$1 [P,L]
 
-ProxyTimeout 3
+ProxyTimeout 60 # must be bigger than pingInterval (25s by default) + pingTimeout (20s by default)