diff --git a/custom_components/powercalc/data/signify/915005988201/model.json b/custom_components/powercalc/data/signify/915005988201/model.json
index 853aff8ab..b47b4893d 100644
--- a/custom_components/powercalc/data/signify/915005988201/model.json
+++ b/custom_components/powercalc/data/signify/915005988201/model.json
@@ -9,7 +9,7 @@
         "VERSION": "v1.9.4:docker"
     },
     "name": "Hue Play Gradient Light Tube Large",
-    "standby_power": 0.5,
+    "standby_power": 0.25,
     "device_type": "light",
     "aliases": [
         "915005988101"