diff --git a/webfrontend/pgm2/01_FHEMWEB.pm b/webfrontend/pgm2/01_FHEMWEB.pm
index 6f1e82145..95734602e 100755
--- a/webfrontend/pgm2/01_FHEMWEB.pm
+++ b/webfrontend/pgm2/01_FHEMWEB.pm
@@ -2096,7 +2096,7 @@ FW_devState($$)
   } elsif($allSets =~ m/ desired-temp:/) {
     $txt = ReadingsVal($d, "measured-temp", "");
     $txt =~ s/ .*//;
-    $txt .= "°";
+    $txt .= "°C";
     $cmdlist = "desired-temp";
 
   } else {