diff --git a/fhem/FHEM/00_ZWDongle.pm b/fhem/FHEM/00_ZWDongle.pm
index 148a9afab..4e43d807f 100755
--- a/fhem/FHEM/00_ZWDongle.pm
+++ b/fhem/FHEM/00_ZWDongle.pm
@@ -547,7 +547,8 @@ ZWDongle_ProcessSendStack($)
 
   if($hash->{WaitForAck}){
     if($ts-$hash->{SendTime} >= 1){
-      Log3 $hash, 2, "ZWDongle_ProcessSendStack: no ACK, resending message";
+      Log3 $hash, 2, "ZWDongle_ProcessSendStack: no ACK, resending message ".
+                      $hash->{SendStack}->[0];
       $hash->{SendRetries}++;
       $hash->{WaitForAck} = 0;