diff --git a/site-cookbooks/kosmos_prometheus/recipes/node_exporter.rb b/site-cookbooks/kosmos_prometheus/recipes/node_exporter.rb
index ed6f178..f365b78 100644
--- a/site-cookbooks/kosmos_prometheus/recipes/node_exporter.rb
+++ b/site-cookbooks/kosmos_prometheus/recipes/node_exporter.rb
@@ -8,7 +8,7 @@ checksum = node["kosmos_prometheus"]["node_exporter"]["checksum"]
 tarball = "#{Chef::Config[:file_cache_path]}/node_exporter-#{version}.linux-amd64.tar.gz"
 binary_url = "https://github.com/prometheus/node_exporter/releases/download/v#{version}/node_exporter-#{version}.linux-amd64.tar.gz"
 
-node_exporter_port = node["node_exporter"]["port"]
+node_exporter_port = node["kosmos_prometheus"]["node_exporter"]["port"]
 
 group "node_exporter"