diff --git a/FHEM/73_GardenaSmartBridge.pm b/FHEM/73_GardenaSmartBridge.pm
index 10877c0..9ef6f33 100644
--- a/FHEM/73_GardenaSmartBridge.pm
+++ b/FHEM/73_GardenaSmartBridge.pm
@@ -1262,8 +1262,7 @@ sub createHttpValueStrings {
               . $deviceId
               . '/abilities/'
               . $abilities
-              . '/properties/watering_timer_'
-              . $valve_id;
+              . ( defined($valve_id) ? '/properties/watering_timer_'. $valve_id : '/command')
 
         }
         elsif (defined($abilities)
diff --git a/controls_GardenaSmartDevice.txt b/controls_GardenaSmartDevice.txt
index 672648b..97debbc 100644
--- a/controls_GardenaSmartDevice.txt
+++ b/controls_GardenaSmartDevice.txt
@@ -1,2 +1,2 @@
-UPD 2021-05-14_15:51:47 46108 FHEM/73_GardenaSmartBridge.pm
-UPD 2021-05-16_12:22:12 50836 FHEM/74_GardenaSmartDevice.pm
+UPD 2021-05-16_15:14:55 46129 FHEM/73_GardenaSmartBridge.pm
+UPD 2021-05-16_15:14:44 50836 FHEM/74_GardenaSmartDevice.pm