diff --git a/fhem/FHEM/00_ZWDongle.pm b/fhem/FHEM/00_ZWDongle.pm
index c718276cc..032069234 100755
--- a/fhem/FHEM/00_ZWDongle.pm
+++ b/fhem/FHEM/00_ZWDongle.pm
@@ -367,7 +367,7 @@ ZWDongle_Get($@)
         push @list, ($l[0] && $defs{$l[0]} ? $l[0] : "UNKNOWN_$idx");
       }
     }
-    $msg = join(",", @list);
+    $msg = join(" ", @list);
 
   } elsif($type eq "caps") {                    ############################
     $msg  = sprintf("Vers:%d Rev:%d ",       $r[2], $r[3]);
diff --git a/fhem/FHEM/10_ZWave.pm b/fhem/FHEM/10_ZWave.pm
index 9e4a41cb7..4df24b10e 100755
--- a/fhem/FHEM/10_ZWave.pm
+++ b/fhem/FHEM/10_ZWave.pm
@@ -2654,7 +2654,7 @@ ZWave_Parse($$@)
         }
       }
     }
-    $msg = @list ? join(",", @list) : "empty";
+    $msg = @list ? join(" ", @list) : "empty";
     readingsSingleUpdate($hash, "neighborList", $msg, 1) if($hash);
     return $msg if($srcCmd);
     return "";