diff --git a/fhem/FHEM/98_SVG.pm b/fhem/FHEM/98_SVG.pm
index d1311a65a..793c8a5ae 100644
--- a/fhem/FHEM/98_SVG.pm
+++ b/fhem/FHEM/98_SVG.pm
@@ -2526,6 +2526,7 @@ plotAsPng(@)
 
   # Forum #32791,#116138: some lib versions cannot parse complex CSS selectors
   $svgdata =~ s/\.SVGplot\./\./g if(AttrVal($svgName, "plotAsPngFix", 0));
+  $svgdata = Encode::decode('UTF-8', $buf)
 
   eval {
     require Image::LibRSVG;