diff --git a/cluster/gce/windows/k8s-node-setup.psm1 b/cluster/gce/windows/k8s-node-setup.psm1
index ead44148cd6..d47b049f4bb 100644
--- a/cluster/gce/windows/k8s-node-setup.psm1
+++ b/cluster/gce/windows/k8s-node-setup.psm1
@@ -2099,6 +2099,7 @@ $FLUENTD_CONFIG = @'
       format json
       time_key time
       time_format %Y-%m-%dT%H:%M:%S.%NZ
+      keep_time_key
     </pattern>
     <pattern>
       format /^(?<time>.+) (?<stream>stdout|stderr) [^ ]* (?<log>.*)$/