diff --git a/fhem/contrib/DS_Starter/76_SolarForecast.pm b/fhem/contrib/DS_Starter/76_SolarForecast.pm
index 7b26929e6..f49fd2a81 100644
--- a/fhem/contrib/DS_Starter/76_SolarForecast.pm
+++ b/fhem/contrib/DS_Starter/76_SolarForecast.pm
@@ -1898,7 +1898,7 @@ sub _setcycleInterval {                   ## no critic "not used"
   }
   
   my $ret = CommandAttr (undef, "$new");
-  ::CommandSave (1, undef) if(!$ret);
+  ::CommandSave (undef, undef) if(!$ret);
 
 return;
 }