diff --git a/FHEM/74_GardenaSmartDevice.pm b/FHEM/74_GardenaSmartDevice.pm
index ce951a6..d2bf554 100644
--- a/FHEM/74_GardenaSmartDevice.pm
+++ b/FHEM/74_GardenaSmartDevice.pm
@@ -412,7 +412,7 @@ sub Set {
             : lc $cmd
         );
 
-        $payload = '"properties":{"value":"' . $val . '"}';
+        $payload = '"properties":{"name":"power_timer", "value":"' . $val . '"}';
     }
     ### Watering ic24
     elsif ( $cmd =~ m{\AmanualDurationValve\d\z}xms ) {
diff --git a/controls_GardenaSmartDevice.txt b/controls_GardenaSmartDevice.txt
index 852aaca..3ab01be 100644
--- a/controls_GardenaSmartDevice.txt
+++ b/controls_GardenaSmartDevice.txt
@@ -1,2 +1,2 @@
 UPD 2021-06-28_15:56:58 47009 FHEM/73_GardenaSmartBridge.pm
-UPD 2021-06-28_20:08:52 56188 FHEM/74_GardenaSmartDevice.pm
+UPD 2021-07-12_11:56:06 56210 FHEM/74_GardenaSmartDevice.pm