diff --git a/CHANGED b/CHANGED
index 7dd7fc7..5bd7cdd 100644
--- a/CHANGED
+++ b/CHANGED
@@ -1 +1 @@
-    [fix] - readings
+    [test] set empty
diff --git a/FHEM/74_GardenaSmartDevice.pm b/FHEM/74_GardenaSmartDevice.pm
index 29a3a41..50f1639 100644
--- a/FHEM/74_GardenaSmartDevice.pm
+++ b/FHEM/74_GardenaSmartDevice.pm
@@ -652,8 +652,7 @@ sub WriteReadings {
                     $hash,
                     $decode_json->{abilities}[$abilities]{name} . '-'
                       . $propertie->{name},
-                      ($propertie->{value} eq '') ? CommandAttr( undef, $name . ' '. $decode_json->{abilities}[$abilities]{name} . '-'
-                      . $propertie->{name}) : RigReadingsValue( $hash, $propertie->{value} )
+                      ($propertie->{value} eq '') ? undef : RigReadingsValue( $hash, $propertie->{value} )
                   )
                   if ( exists( $propertie->{value} ) # defined ignored 'value':null
                     && $decode_json->{abilities}[$abilities]{name} . '-'
diff --git a/controls_GardenaSmartDevice.txt b/controls_GardenaSmartDevice.txt
index 4798154..2e958c1 100644
--- a/controls_GardenaSmartDevice.txt
+++ b/controls_GardenaSmartDevice.txt
@@ -1,2 +1,2 @@
 UPD 2022-06-28_13:11:16 49241 FHEM/73_GardenaSmartBridge.pm
-UPD 2022-06-28_23:07:24 70523 FHEM/74_GardenaSmartDevice.pm
+UPD 2022-06-28_23:08:30 70402 FHEM/74_GardenaSmartDevice.pm