diff --git a/fhem/contrib/DS_Starter/76_SolarForecast.pm b/fhem/contrib/DS_Starter/76_SolarForecast.pm
index 24d4dcc4f..7106aaee3 100644
--- a/fhem/contrib/DS_Starter/76_SolarForecast.pm
+++ b/fhem/contrib/DS_Starter/76_SolarForecast.pm
@@ -4498,8 +4498,8 @@ sub _beamGraphicFirstHour {
       $val3 = HistoryVal ($hash, $hfcg->{0}{day_str}, $hfcg->{0}{time_str}, "gcons", 0);
       $val4 = HistoryVal ($hash, $hfcg->{0}{day_str}, $hfcg->{0}{time_str}, "confc", 0);
 
-      # $hfcg->{0}{weather} = CircularVal ($hash, $hfcg->{0}{time_str}, "weatherid", undef);
-      $hfcg->{0}{weather} = HistoryVal ($hash, $hfcg->{0}{day_str}, $hfcg->{0}{time_str}, "weatherid", undef);
+      # $hfcg->{0}{weather} = CircularVal ($hash, $hfcg->{0}{time_str}, "weatherid", 999);
+      $hfcg->{0}{weather} = HistoryVal ($hash, $hfcg->{0}{day_str}, $hfcg->{0}{time_str}, "weatherid", 999);
   }
   else {
       $val1 = CircularVal ($hash, $hfcg->{0}{time_str}, "pvfc",  0);
@@ -4507,8 +4507,8 @@ sub _beamGraphicFirstHour {
       $val3 = CircularVal ($hash, $hfcg->{0}{time_str}, "gcons", 0);
       $val4 = CircularVal ($hash, $hfcg->{0}{time_str}, "confc", 0);
 
-      $hfcg->{0}{weather} = CircularVal ($hash, $hfcg->{0}{time_str}, "weatherid", undef);
-      #$val4   = (ReadingsVal($name,"ThisHour_IsConsumptionRecommended",'no') eq 'yes' ) ? $icon : undef;
+      $hfcg->{0}{weather} = CircularVal ($hash, $hfcg->{0}{time_str}, "weatherid", 999);
+      #$val4   = (ReadingsVal($name,"ThisHour_IsConsumptionRecommended",'no') eq 'yes' ) ? $icon : 999;
   }
 
   $hfcg->{0}{time_str} = sprintf('%02d', $hfcg->{0}{time}-1).$hourstyle;