diff --git a/manifests/config.pp b/manifests/config.pp
index 41587f1..b1a5466 100644
--- a/manifests/config.pp
+++ b/manifests/config.pp
@@ -31,6 +31,8 @@ class nginx::config(
   $fastcgi_cache_keys_zone = $nginx::params::nx_fastcgi_cache_keys_zone,
   $fastcgi_cache_max_size  = $nginx::params::nx_fastcgi_cache_max_size,
   $fastcgi_cache_inactive  = $nginx::params::nx_fastcgi_cache_inactive,
+  $fastcgi_cache_key  	   = $nginx::params::nx_fastcgi_cache_key,
+  $fastcgi_cache_use_stale = $nginx::params::nx_fastcgi_cache_use_stale,
   $proxy_http_version      = $nginx::params::nx_proxy_http_version,
   $names_hash_bucket_size  = $nginx::params::nx_names_hash_bucket_size,
   $names_hash_max_size     = $nginx::params::nx_names_hash_max_size,
diff --git a/manifests/init.pp b/manifests/init.pp
index db15a4c..8c18db3 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -49,6 +49,8 @@ class nginx (
   $fastcgi_cache_keys_zone = $nginx::params::nx_fastcgi_cache_keys_zone,
   $fastcgi_cache_max_size  = $nginx::params::nx_fastcgi_cache_max_size,
   $fastcgi_cache_inactive  = $nginx::params::nx_fastcgi_cache_inactive,
+  $fastcgi_cache_key	   = $nginx::params::nx_fastcgi_cache_key,
+  $fastcgi_cache_use_stale = $nginx::params::nx_fastcgi_cache_use_stale,
   $configtest_enable       = $nginx::params::nx_configtest_enable,
   $service_restart         = $nginx::params::nx_service_restart,
   $service_ensure          = $nginx::params::nx_service_ensure,
@@ -110,6 +112,12 @@ class nginx (
   validate_string($fastcgi_cache_keys_zone)
   validate_string($fastcgi_cache_max_size)
   validate_string($fastcgi_cache_inactive)
+  if ($fastcgi_cache_key != false) {
+	validate_string($fastcgi_cache_key)
+  }
+  if ($fastcgi_cache_use_stale != false) {
+  	validate_string($fastcgi_cache_use_stale)
+  }
 
   validate_bool($configtest_enable)
   validate_string($service_restart)
@@ -159,6 +167,8 @@ class nginx (
     fastcgi_cache_keys_zone => $fastcgi_cache_keys_zone,
     fastcgi_cache_max_size  => $fastcgi_cache_max_size,
     fastcgi_cache_inactive  => $fastcgi_cache_inactive,
+    fastcgi_cache_key       => $fastcgi_cache_key,
+    fastcgi_cache_use_stale => $fastcgi_cache_use_stale,
     confd_purge             => $confd_purge,
     vhost_purge             => $vhost_purge,
     server_tokens           => $server_tokens,
diff --git a/manifests/params.pp b/manifests/params.pp
index bab6aa8..94dd193 100644
--- a/manifests/params.pp
+++ b/manifests/params.pp
@@ -58,6 +58,8 @@ class nginx::params {
   $nx_fastcgi_cache_keys_zone = 'd3:100m'
   $nx_fastcgi_cache_max_size  = '500m'
   $nx_fastcgi_cache_inactive  = '20m'
+  $nx_fastcgi_cache_key       = false
+  $nx_fastcgi_cache_use_stale = false
 
   $nx_client_body_temp_path   = "${nx_run_dir}/client_body_temp"
   $nx_client_body_buffer_size = '128k'
diff --git a/templates/conf.d/nginx.conf.erb b/templates/conf.d/nginx.conf.erb
index 925f419..f9de200 100644
--- a/templates/conf.d/nginx.conf.erb
+++ b/templates/conf.d/nginx.conf.erb
@@ -40,7 +40,13 @@ http {
 <% end -%>
 
 <% if @fastcgi_cache_path -%>
-  fastcgi_cache_path    <%= @fastcgi_cache_path %> levels=<%= @fastcgi_cache_levels %> keys_zone=<%= @fastcgi_cache_keys_zone %> max_size=<%= @fastcgi_cache_max_size %> inactive=<%= @fastcgi_cache_inactive %>;
+  fastcgi_cache_path    	<%= @fastcgi_cache_path %> levels=<%= @fastcgi_cache_levels %> keys_zone=<%= @fastcgi_cache_keys_zone %> max_size=<%= @fastcgi_cache_max_size %> inactive=<%= @fastcgi_cache_inactive %>;
+<% end -%>
+<% if @fastcgi_cache_key -%>
+  fastcgi_cache_key		<%= @fastcgi_cache_key %>;
+<% end -%>
+<% if @fastcgi_cache_use_stale -%>
+  fastcgi_cache_use_stale 	<%= @fastcgi_cache_use_stale %>;
 <% end -%>
 
 <% if @http_cfg_append -%><% @http_cfg_append.sort_by{|k,v| k}.each do |key,value| -%>