diff --git a/source/plugins/ruby/in_kube_nodes.rb b/source/plugins/ruby/in_kube_nodes.rb
index e7c5060a5..0a4727077 100644
--- a/source/plugins/ruby/in_kube_nodes.rb
+++ b/source/plugins/ruby/in_kube_nodes.rb
@@ -447,7 +447,7 @@ def getNodeTelemetryProps(item)
         properties["Computer"] = item["metadata"]["name"]
         nodeInfo = item["status"]["nodeInfo"]
         properties["KubeletVersion"] = nodeInfo["kubeletVersion"]
-        properties["OperatingSystem"] = nodeInfo["osImage"]
+        properties["OperatingSystem"] = nodeInfo["operatingSystem"]
         properties["KernelVersion"] = nodeInfo["kernelVersion"]
         properties["OSImage"] = nodeInfo["osImage"]
         containerRuntimeVersion = nodeInfo["containerRuntimeVersion"]