diff --git a/fhem/FHEM/HttpUtils.pm b/fhem/FHEM/HttpUtils.pm
index 72c77858d..16595c976 100644
--- a/fhem/FHEM/HttpUtils.pm
+++ b/fhem/FHEM/HttpUtils.pm
@@ -264,7 +264,7 @@ HttpUtils_Connect2($)
               if(defined($hash->{auth}) && 
                  !($hash->{header} &&
                    $hash->{header} =~ /^Authorization:\s*Digest/mi));
-  $hdr .= $hash->{header}."\r\n" if(defined($hash->{header}));
+  $hdr .= $hash->{header}."\r\n" if($hash->{header});
   if(defined($data)) {
     $hdr .= "Content-Length: ".length($data)."\r\n";
     $hdr .= "Content-Type: application/x-www-form-urlencoded\r\n"