diff --git a/templates/definition/meter/kostal-plenticore-gen2.yaml b/templates/definition/meter/kostal-plenticore-gen2.yaml
index 22f83d764..905214684 100644
--- a/templates/definition/meter/kostal-plenticore-gen2.yaml
+++ b/templates/definition/meter/kostal-plenticore-gen2.yaml
@@ -85,6 +85,7 @@ render: |
   batterymode:
     source: watchdog
     timeout: {{ .watchdog }} # re-write at timeout/2
+    defer: true # make sure timeouts are followed on update
     reset: 1 # reset watchdog on normal
     set:
       source: switch