diff --git a/FHEM/00_ZWDongle.pm b/FHEM/00_ZWDongle.pm
index ee45c90e1..4116458e0 100755
--- a/FHEM/00_ZWDongle.pm
+++ b/FHEM/00_ZWDongle.pm
@@ -416,9 +416,7 @@ ZWDongle_Get($@)
   }
 
   $cmd .= "_".join("_", @a) if(@a);
-  $hash->{READINGS}{$cmd}{VAL} = $msg;
-  $hash->{READINGS}{$cmd}{TIME} = TimeNow();
-
+  readingsSingleUpdate($hash, $cmd, $msg, 0);
   return "$name $cmd => $msg";
 }