diff --git a/FHEM/98_WOL.pm b/FHEM/98_WOL.pm
index a459502bb..6269cf207 100644
--- a/FHEM/98_WOL.pm
+++ b/FHEM/98_WOL.pm
@@ -64,6 +64,7 @@ sub WOL_Set($@) {
   }
 
   WOL_UpdateReadings($hash);
+  return undef      if($v eq "refresh");
 
   RemoveInternalTimer($hash);
   InternalTimer(gettimeofday()+$hash->{INTERVAL}, "WOL_UpdateReadings", $hash, 0);