diff --git a/cluster/gce/windows/k8s-node-setup.psm1 b/cluster/gce/windows/k8s-node-setup.psm1
index 0fdb2ed102b..5f8e41b4f2b 100644
--- a/cluster/gce/windows/k8s-node-setup.psm1
+++ b/cluster/gce/windows/k8s-node-setup.psm1
@@ -1732,6 +1732,7 @@ $FLUENTD_CONFIG = @'
       format json
       time_key time
       time_format %Y-%m-%dT%H:%M:%S.%NZ
+      keep_time_key
     </pattern>
     <pattern>
       format /^(?<time>.+) (?<stream>stdout|stderr) [^ ]* (?<log>.*)$/